Home / 4,387.40-6,581.15-1,465.71

Finding the Fourth Proportional to 4,387.40, 6,581.15 and 1,465.71

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Solution

The fourth proportional to 4,387.40, 6,581.15 and 1,465.71 is: 2,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.40 : 6,581.15 = 1,465.71 : x
  2. Step 2: Convert to fraction form
    4,387.40/6,581.15 = 1,465.71/x
  3. Step 3: Cross multiply
    4,387.40x = 6,581.15 × 1,465.71
  4. Step 4: Simplify right side
    4,387.40x = 9,646,057.37
  5. Step 5: Solve for x
    x = 9,646,057.37/4,387.40
  6. Step 6: Final answer
    x = 2,198.58

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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.