Home / 9,427.40-13,010.40-5,448.68

Finding the Fourth Proportional to 9,427.40, 13,010.40 and 5,448.68

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Solution

The fourth proportional to 9,427.40, 13,010.40 and 5,448.68 is: 7,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.40 : 13,010.40 = 5,448.68 : x
  2. Step 2: Convert to fraction form
    9,427.40/13,010.40 = 5,448.68/x
  3. Step 3: Cross multiply
    9,427.40x = 13,010.40 × 5,448.68
  4. Step 4: Simplify right side
    9,427.40x = 70,889,506.27
  5. Step 5: Solve for x
    x = 70,889,506.27/9,427.40
  6. Step 6: Final answer
    x = 7,519.52

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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.