Home / 9,730.32-13,428.36-5,539.92

Finding the Fourth Proportional to 9,730.32, 13,428.36 and 5,539.92

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Solution

The fourth proportional to 9,730.32, 13,428.36 and 5,539.92 is: 7,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730.32 : 13,428.36 = 5,539.92 : x
  2. Step 2: Convert to fraction form
    9,730.32/13,428.36 = 5,539.92/x
  3. Step 3: Cross multiply
    9,730.32x = 13,428.36 × 5,539.92
  4. Step 4: Simplify right side
    9,730.32x = 74,392,040.13
  5. Step 5: Solve for x
    x = 74,392,040.13/9,730.32
  6. Step 6: Final answer
    x = 7,645.38

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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.