Home / 5,605.80-8,397.72-4,300.88

Finding the Fourth Proportional to 5,605.80, 8,397.72 and 4,300.88

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Solution

The fourth proportional to 5,605.80, 8,397.72 and 4,300.88 is: 6,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.80 : 8,397.72 = 4,300.88 : x
  2. Step 2: Convert to fraction form
    5,605.80/8,397.72 = 4,300.88/x
  3. Step 3: Cross multiply
    5,605.80x = 8,397.72 × 4,300.88
  4. Step 4: Simplify right side
    5,605.80x = 36,117,585.99
  5. Step 5: Solve for x
    x = 36,117,585.99/5,605.80
  6. Step 6: Final answer
    x = 6,442.90

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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.