Home / 4,387.56-6,581.88-1,613.76

Finding the Fourth Proportional to 4,387.56, 6,581.88 and 1,613.76

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Solution

The fourth proportional to 4,387.56, 6,581.88 and 1,613.76 is: 2,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.56 : 6,581.88 = 1,613.76 : x
  2. Step 2: Convert to fraction form
    4,387.56/6,581.88 = 1,613.76/x
  3. Step 3: Cross multiply
    4,387.56x = 6,581.88 × 1,613.76
  4. Step 4: Simplify right side
    4,387.56x = 10,621,574.67
  5. Step 5: Solve for x
    x = 10,621,574.67/4,387.56
  6. Step 6: Final answer
    x = 2,420.84

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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.