Home / 7,208.32-10,785.09-4,397.92

Finding the Fourth Proportional to 7,208.32, 10,785.09 and 4,397.92

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Solution

The fourth proportional to 7,208.32, 10,785.09 and 4,397.92 is: 6,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.32 : 10,785.09 = 4,397.92 : x
  2. Step 2: Convert to fraction form
    7,208.32/10,785.09 = 4,397.92/x
  3. Step 3: Cross multiply
    7,208.32x = 10,785.09 × 4,397.92
  4. Step 4: Simplify right side
    7,208.32x = 47,431,976.30
  5. Step 5: Solve for x
    x = 47,431,976.30/7,208.32
  6. Step 6: Final answer
    x = 6,580.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.