Home / 4,487.58-6,720.93-4,331.85

Finding the Fourth Proportional to 4,487.58, 6,720.93 and 4,331.85

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Solution

The fourth proportional to 4,487.58, 6,720.93 and 4,331.85 is: 6,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.58 : 6,720.93 = 4,331.85 : x
  2. Step 2: Convert to fraction form
    4,487.58/6,720.93 = 4,331.85/x
  3. Step 3: Cross multiply
    4,487.58x = 6,720.93 × 4,331.85
  4. Step 4: Simplify right side
    4,487.58x = 29,114,060.62
  5. Step 5: Solve for x
    x = 29,114,060.62/4,487.58
  6. Step 6: Final answer
    x = 6,487.70

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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.