Home / 6,453.18-8,909.04-4,937.90

Finding the Fourth Proportional to 6,453.18, 8,909.04 and 4,937.90

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Solution

The fourth proportional to 6,453.18, 8,909.04 and 4,937.90 is: 6,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.18 : 8,909.04 = 4,937.90 : x
  2. Step 2: Convert to fraction form
    6,453.18/8,909.04 = 4,937.90/x
  3. Step 3: Cross multiply
    6,453.18x = 8,909.04 × 4,937.90
  4. Step 4: Simplify right side
    6,453.18x = 43,991,948.62
  5. Step 5: Solve for x
    x = 43,991,948.62/6,453.18
  6. Step 6: Final answer
    x = 6,817.10

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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.