Home / 4,887.24-6,741.76-3,115.72

Finding the Fourth Proportional to 4,887.24, 6,741.76 and 3,115.72

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Solution

The fourth proportional to 4,887.24, 6,741.76 and 3,115.72 is: 4,298.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.24 : 6,741.76 = 3,115.72 : x
  2. Step 2: Convert to fraction form
    4,887.24/6,741.76 = 3,115.72/x
  3. Step 3: Cross multiply
    4,887.24x = 6,741.76 × 3,115.72
  4. Step 4: Simplify right side
    4,887.24x = 21,005,436.47
  5. Step 5: Solve for x
    x = 21,005,436.47/4,887.24
  6. Step 6: Final answer
    x = 4,298.02

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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.