Home / 7,565.11-10,438.83-4,207.49

Finding the Fourth Proportional to 7,565.11, 10,438.83 and 4,207.49

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Solution

The fourth proportional to 7,565.11, 10,438.83 and 4,207.49 is: 5,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.11 : 10,438.83 = 4,207.49 : x
  2. Step 2: Convert to fraction form
    7,565.11/10,438.83 = 4,207.49/x
  3. Step 3: Cross multiply
    7,565.11x = 10,438.83 × 4,207.49
  4. Step 4: Simplify right side
    7,565.11x = 43,921,288.42
  5. Step 5: Solve for x
    x = 43,921,288.42/7,565.11
  6. Step 6: Final answer
    x = 5,805.77

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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.