Home / 6,387.40-8,814.58-3,592.92

Finding the Fourth Proportional to 6,387.40, 8,814.58 and 3,592.92

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Solution

The fourth proportional to 6,387.40, 8,814.58 and 3,592.92 is: 4,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.40 : 8,814.58 = 3,592.92 : x
  2. Step 2: Convert to fraction form
    6,387.40/8,814.58 = 3,592.92/x
  3. Step 3: Cross multiply
    6,387.40x = 8,814.58 × 3,592.92
  4. Step 4: Simplify right side
    6,387.40x = 31,670,080.77
  5. Step 5: Solve for x
    x = 31,670,080.77/6,387.40
  6. Step 6: Final answer
    x = 4,958.21

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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.