Home / 5,125.35-7,073.66-2,887.66

Finding the Fourth Proportional to 5,125.35, 7,073.66 and 2,887.66

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Solution

The fourth proportional to 5,125.35, 7,073.66 and 2,887.66 is: 3,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.35 : 7,073.66 = 2,887.66 : x
  2. Step 2: Convert to fraction form
    5,125.35/7,073.66 = 2,887.66/x
  3. Step 3: Cross multiply
    5,125.35x = 7,073.66 × 2,887.66
  4. Step 4: Simplify right side
    5,125.35x = 20,426,292.91
  5. Step 5: Solve for x
    x = 20,426,292.91/5,125.35
  6. Step 6: Final answer
    x = 3,985.35

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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.