Home / 8,088.81-12,108.12-4,381.85

Finding the Fourth Proportional to 8,088.81, 12,108.12 and 4,381.85

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Solution

The fourth proportional to 8,088.81, 12,108.12 and 4,381.85 is: 6,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.81 : 12,108.12 = 4,381.85 : x
  2. Step 2: Convert to fraction form
    8,088.81/12,108.12 = 4,381.85/x
  3. Step 3: Cross multiply
    8,088.81x = 12,108.12 × 4,381.85
  4. Step 4: Simplify right side
    8,088.81x = 53,055,905.08
  5. Step 5: Solve for x
    x = 53,055,905.08/8,088.81
  6. Step 6: Final answer
    x = 6,559.17

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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.