Home / 9,578.04-13,218.42-5,386.92

Finding the Fourth Proportional to 9,578.04, 13,218.42 and 5,386.92

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Solution

The fourth proportional to 9,578.04, 13,218.42 and 5,386.92 is: 7,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.04 : 13,218.42 = 5,386.92 : x
  2. Step 2: Convert to fraction form
    9,578.04/13,218.42 = 5,386.92/x
  3. Step 3: Cross multiply
    9,578.04x = 13,218.42 × 5,386.92
  4. Step 4: Simplify right side
    9,578.04x = 71,206,571.07
  5. Step 5: Solve for x
    x = 71,206,571.07/9,578.04
  6. Step 6: Final answer
    x = 7,434.36

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Half scale
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Double scale
Find fourth proportional to 9,579.04, 13,219.80 and 5,387.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.