Home / 9,329.09-12,873.75-5,347.45

Finding the Fourth Proportional to 9,329.09, 12,873.75 and 5,347.45

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Solution

The fourth proportional to 9,329.09, 12,873.75 and 5,347.45 is: 7,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.09 : 12,873.75 = 5,347.45 : x
  2. Step 2: Convert to fraction form
    9,329.09/12,873.75 = 5,347.45/x
  3. Step 3: Cross multiply
    9,329.09x = 12,873.75 × 5,347.45
  4. Step 4: Simplify right side
    9,329.09x = 68,841,670.07
  5. Step 5: Solve for x
    x = 68,841,670.07/9,329.09
  6. Step 6: Final answer
    x = 7,379.25

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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.