Home / 5,070.72-7,607.04-2,148.96

Finding the Fourth Proportional to 5,070.72, 7,607.04 and 2,148.96

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Solution

The fourth proportional to 5,070.72, 7,607.04 and 2,148.96 is: 3,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.72 : 7,607.04 = 2,148.96 : x
  2. Step 2: Convert to fraction form
    5,070.72/7,607.04 = 2,148.96/x
  3. Step 3: Cross multiply
    5,070.72x = 7,607.04 × 2,148.96
  4. Step 4: Simplify right side
    5,070.72x = 16,347,224.68
  5. Step 5: Solve for x
    x = 16,347,224.68/5,070.72
  6. Step 6: Final answer
    x = 3,223.85

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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.