Home / 4,887.64-7,331.82-2,697.40

Finding the Fourth Proportional to 4,887.64, 7,331.82 and 2,697.40

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Solution

The fourth proportional to 4,887.64, 7,331.82 and 2,697.40 is: 4,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.64 : 7,331.82 = 2,697.40 : x
  2. Step 2: Convert to fraction form
    4,887.64/7,331.82 = 2,697.40/x
  3. Step 3: Cross multiply
    4,887.64x = 7,331.82 × 2,697.40
  4. Step 4: Simplify right side
    4,887.64x = 19,776,851.27
  5. Step 5: Solve for x
    x = 19,776,851.27/4,887.64
  6. Step 6: Final answer
    x = 4,046.30

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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.