Home / 4,159.68-6,240.30-1,386.52

Finding the Fourth Proportional to 4,159.68, 6,240.30 and 1,386.52

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Solution

The fourth proportional to 4,159.68, 6,240.30 and 1,386.52 is: 2,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.68 : 6,240.30 = 1,386.52 : x
  2. Step 2: Convert to fraction form
    4,159.68/6,240.30 = 1,386.52/x
  3. Step 3: Cross multiply
    4,159.68x = 6,240.30 × 1,386.52
  4. Step 4: Simplify right side
    4,159.68x = 8,652,300.76
  5. Step 5: Solve for x
    x = 8,652,300.76/4,159.68
  6. Step 6: Final answer
    x = 2,080.04

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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.