Home / 5,165.92-7,127.40-2,927.44

Finding the Fourth Proportional to 5,165.92, 7,127.40 and 2,927.44

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Solution

The fourth proportional to 5,165.92, 7,127.40 and 2,927.44 is: 4,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.92 : 7,127.40 = 2,927.44 : x
  2. Step 2: Convert to fraction form
    5,165.92/7,127.40 = 2,927.44/x
  3. Step 3: Cross multiply
    5,165.92x = 7,127.40 × 2,927.44
  4. Step 4: Simplify right side
    5,165.92x = 20,865,035.86
  5. Step 5: Solve for x
    x = 20,865,035.86/5,165.92
  6. Step 6: Final answer
    x = 4,038.98

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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.