Home / 7,565.52-10,439.61-4,207.80

Finding the Fourth Proportional to 7,565.52, 10,439.61 and 4,207.80

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Solution

The fourth proportional to 7,565.52, 10,439.61 and 4,207.80 is: 5,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.52 : 10,439.61 = 4,207.80 : x
  2. Step 2: Convert to fraction form
    7,565.52/10,439.61 = 4,207.80/x
  3. Step 3: Cross multiply
    7,565.52x = 10,439.61 × 4,207.80
  4. Step 4: Simplify right side
    7,565.52x = 43,927,790.96
  5. Step 5: Solve for x
    x = 43,927,790.96/7,565.52
  6. Step 6: Final answer
    x = 5,806.31

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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.