Home / 4,887.20-6,743.40-2,899.52

Finding the Fourth Proportional to 4,887.20, 6,743.40 and 2,899.52

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Solution

The fourth proportional to 4,887.20, 6,743.40 and 2,899.52 is: 4,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.20 : 6,743.40 = 2,899.52 : x
  2. Step 2: Convert to fraction form
    4,887.20/6,743.40 = 2,899.52/x
  3. Step 3: Cross multiply
    4,887.20x = 6,743.40 × 2,899.52
  4. Step 4: Simplify right side
    4,887.20x = 19,552,623.17
  5. Step 5: Solve for x
    x = 19,552,623.17/4,887.20
  6. Step 6: Final answer
    x = 4,000.78

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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.