Home / 8,778.15-13,169.72-4,337.17

Finding the Fourth Proportional to 8,778.15, 13,169.72 and 4,337.17

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Solution

The fourth proportional to 8,778.15, 13,169.72 and 4,337.17 is: 6,506.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.15 : 13,169.72 = 4,337.17 : x
  2. Step 2: Convert to fraction form
    8,778.15/13,169.72 = 4,337.17/x
  3. Step 3: Cross multiply
    8,778.15x = 13,169.72 × 4,337.17
  4. Step 4: Simplify right side
    8,778.15x = 57,119,314.49
  5. Step 5: Solve for x
    x = 57,119,314.49/8,778.15
  6. Step 6: Final answer
    x = 6,506.99

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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.