Home / 5,156.04-7,115.30-3,060.52

Finding the Fourth Proportional to 5,156.04, 7,115.30 and 3,060.52

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Solution

The fourth proportional to 5,156.04, 7,115.30 and 3,060.52 is: 4,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.04 : 7,115.30 = 3,060.52 : x
  2. Step 2: Convert to fraction form
    5,156.04/7,115.30 = 3,060.52/x
  3. Step 3: Cross multiply
    5,156.04x = 7,115.30 × 3,060.52
  4. Step 4: Simplify right side
    5,156.04x = 21,776,517.96
  5. Step 5: Solve for x
    x = 21,776,517.96/5,156.04
  6. Step 6: Final answer
    x = 4,223.50

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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.