Home / 4,127.78-5,688.68-2,932.80

Finding the Fourth Proportional to 4,127.78, 5,688.68 and 2,932.80

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Solution

The fourth proportional to 4,127.78, 5,688.68 and 2,932.80 is: 4,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.78 : 5,688.68 = 2,932.80 : x
  2. Step 2: Convert to fraction form
    4,127.78/5,688.68 = 2,932.80/x
  3. Step 3: Cross multiply
    4,127.78x = 5,688.68 × 2,932.80
  4. Step 4: Simplify right side
    4,127.78x = 16,683,746.04
  5. Step 5: Solve for x
    x = 16,683,746.04/4,127.78
  6. Step 6: Final answer
    x = 4,041.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.