Home / 4,387.31-6,610.56-3,624.40

Finding the Fourth Proportional to 4,387.31, 6,610.56 and 3,624.40

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Solution

The fourth proportional to 4,387.31, 6,610.56 and 3,624.40 is: 5,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.31 : 6,610.56 = 3,624.40 : x
  2. Step 2: Convert to fraction form
    4,387.31/6,610.56 = 3,624.40/x
  3. Step 3: Cross multiply
    4,387.31x = 6,610.56 × 3,624.40
  4. Step 4: Simplify right side
    4,387.31x = 23,959,313.66
  5. Step 5: Solve for x
    x = 23,959,313.66/4,387.31
  6. Step 6: Final answer
    x = 5,461.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.