Home / 4,701.20-7,051.80-3,607.70

Finding the Fourth Proportional to 4,701.20, 7,051.80 and 3,607.70

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Solution

The fourth proportional to 4,701.20, 7,051.80 and 3,607.70 is: 5,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.20 : 7,051.80 = 3,607.70 : x
  2. Step 2: Convert to fraction form
    4,701.20/7,051.80 = 3,607.70/x
  3. Step 3: Cross multiply
    4,701.20x = 7,051.80 × 3,607.70
  4. Step 4: Simplify right side
    4,701.20x = 25,440,778.86
  5. Step 5: Solve for x
    x = 25,440,778.86/4,701.20
  6. Step 6: Final answer
    x = 5,411.55

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Similar ratio
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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.