Home / 5,114.56-7,047.52-4,115.84

Finding the Fourth Proportional to 5,114.56, 7,047.52 and 4,115.84

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Solution

The fourth proportional to 5,114.56, 7,047.52 and 4,115.84 is: 5,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.56 : 7,047.52 = 4,115.84 : x
  2. Step 2: Convert to fraction form
    5,114.56/7,047.52 = 4,115.84/x
  3. Step 3: Cross multiply
    5,114.56x = 7,047.52 × 4,115.84
  4. Step 4: Simplify right side
    5,114.56x = 29,006,464.72
  5. Step 5: Solve for x
    x = 29,006,464.72/5,114.56
  6. Step 6: Final answer
    x = 5,671.35

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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.