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Finding the Fourth Proportional to 5,337.42, 8,005.15 and 1,440.91

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Solution

The fourth proportional to 5,337.42, 8,005.15 and 1,440.91 is: 2,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.42 : 8,005.15 = 1,440.91 : x
  2. Step 2: Convert to fraction form
    5,337.42/8,005.15 = 1,440.91/x
  3. Step 3: Cross multiply
    5,337.42x = 8,005.15 × 1,440.91
  4. Step 4: Simplify right side
    5,337.42x = 11,534,700.69
  5. Step 5: Solve for x
    x = 11,534,700.69/5,337.42
  6. Step 6: Final answer
    x = 2,161.10

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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.