Home / 5,605.25-8,407.88-1,445.27

Finding the Fourth Proportional to 5,605.25, 8,407.88 and 1,445.27

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Solution

The fourth proportional to 5,605.25, 8,407.88 and 1,445.27 is: 2,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.25 : 8,407.88 = 1,445.27 : x
  2. Step 2: Convert to fraction form
    5,605.25/8,407.88 = 1,445.27/x
  3. Step 3: Cross multiply
    5,605.25x = 8,407.88 × 1,445.27
  4. Step 4: Simplify right side
    5,605.25x = 12,151,607.46
  5. Step 5: Solve for x
    x = 12,151,607.46/5,605.25
  6. Step 6: Final answer
    x = 2,167.90

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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.