Home / 4,390.52-6,586.63-1,617.21

Finding the Fourth Proportional to 4,390.52, 6,586.63 and 1,617.21

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Solution

The fourth proportional to 4,390.52, 6,586.63 and 1,617.21 is: 2,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.52 : 6,586.63 = 1,617.21 : x
  2. Step 2: Convert to fraction form
    4,390.52/6,586.63 = 1,617.21/x
  3. Step 3: Cross multiply
    4,390.52x = 6,586.63 × 1,617.21
  4. Step 4: Simplify right side
    4,390.52x = 10,651,959.86
  5. Step 5: Solve for x
    x = 10,651,959.86/4,390.52
  6. Step 6: Final answer
    x = 2,426.13

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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.