Home / 5,437.53-8,138.30-4,677.21

Finding the Fourth Proportional to 5,437.53, 8,138.30 and 4,677.21

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Solution

The fourth proportional to 5,437.53, 8,138.30 and 4,677.21 is: 7,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.53 : 8,138.30 = 4,677.21 : x
  2. Step 2: Convert to fraction form
    5,437.53/8,138.30 = 4,677.21/x
  3. Step 3: Cross multiply
    5,437.53x = 8,138.30 × 4,677.21
  4. Step 4: Simplify right side
    5,437.53x = 38,064,514.76
  5. Step 5: Solve for x
    x = 38,064,514.76/5,437.53
  6. Step 6: Final answer
    x = 7,000.33

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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.