Home / 5,127.60-7,685.24-2,164.89

Finding the Fourth Proportional to 5,127.60, 7,685.24 and 2,164.89

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Solution

The fourth proportional to 5,127.60, 7,685.24 and 2,164.89 is: 3,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.60 : 7,685.24 = 2,164.89 : x
  2. Step 2: Convert to fraction form
    5,127.60/7,685.24 = 2,164.89/x
  3. Step 3: Cross multiply
    5,127.60x = 7,685.24 × 2,164.89
  4. Step 4: Simplify right side
    5,127.60x = 16,637,688.40
  5. Step 5: Solve for x
    x = 16,637,688.40/5,127.60
  6. Step 6: Final answer
    x = 3,244.73

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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.