Home / 5,077.27-7,617.30-2,887.57

Finding the Fourth Proportional to 5,077.27, 7,617.30 and 2,887.57

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Solution

The fourth proportional to 5,077.27, 7,617.30 and 2,887.57 is: 4,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.27 : 7,617.30 = 2,887.57 : x
  2. Step 2: Convert to fraction form
    5,077.27/7,617.30 = 2,887.57/x
  3. Step 3: Cross multiply
    5,077.27x = 7,617.30 × 2,887.57
  4. Step 4: Simplify right side
    5,077.27x = 21,995,486.96
  5. Step 5: Solve for x
    x = 21,995,486.96/5,077.27
  6. Step 6: Final answer
    x = 4,332.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.