Home / 9,108.33-12,565.85-5,565.39

Finding the Fourth Proportional to 9,108.33, 12,565.85 and 5,565.39

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Solution

The fourth proportional to 9,108.33, 12,565.85 and 5,565.39 is: 7,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.33 : 12,565.85 = 5,565.39 : x
  2. Step 2: Convert to fraction form
    9,108.33/12,565.85 = 5,565.39/x
  3. Step 3: Cross multiply
    9,108.33x = 12,565.85 × 5,565.39
  4. Step 4: Simplify right side
    9,108.33x = 69,933,828.10
  5. Step 5: Solve for x
    x = 69,933,828.10/9,108.33
  6. Step 6: Final answer
    x = 7,678.01

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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.