Home / 9,428.62-13,010.06-5,448.97

Finding the Fourth Proportional to 9,428.62, 13,010.06 and 5,448.97

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Solution

The fourth proportional to 9,428.62, 13,010.06 and 5,448.97 is: 7,518.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.62 : 13,010.06 = 5,448.97 : x
  2. Step 2: Convert to fraction form
    9,428.62/13,010.06 = 5,448.97/x
  3. Step 3: Cross multiply
    9,428.62x = 13,010.06 × 5,448.97
  4. Step 4: Simplify right side
    9,428.62x = 70,891,366.87
  5. Step 5: Solve for x
    x = 70,891,366.87/9,428.62
  6. Step 6: Final answer
    x = 7,518.74

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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.