Home / 8,381.49-11,565.90-4,603.92

Finding the Fourth Proportional to 8,381.49, 11,565.90 and 4,603.92

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Solution

The fourth proportional to 8,381.49, 11,565.90 and 4,603.92 is: 6,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.49 : 11,565.90 = 4,603.92 : x
  2. Step 2: Convert to fraction form
    8,381.49/11,565.90 = 4,603.92/x
  3. Step 3: Cross multiply
    8,381.49x = 11,565.90 × 4,603.92
  4. Step 4: Simplify right side
    8,381.49x = 53,248,478.33
  5. Step 5: Solve for x
    x = 53,248,478.33/8,381.49
  6. Step 6: Final answer
    x = 6,353.10

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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.