Home / 4,358.55-6,543.90-2,718.30

Finding the Fourth Proportional to 4,358.55, 6,543.90 and 2,718.30

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Solution

The fourth proportional to 4,358.55, 6,543.90 and 2,718.30 is: 4,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,358.55 : 6,543.90 = 2,718.30 : x
  2. Step 2: Convert to fraction form
    4,358.55/6,543.90 = 2,718.30/x
  3. Step 3: Cross multiply
    4,358.55x = 6,543.90 × 2,718.30
  4. Step 4: Simplify right side
    4,358.55x = 17,788,283.37
  5. Step 5: Solve for x
    x = 17,788,283.37/4,358.55
  6. Step 6: Final answer
    x = 4,081.24

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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.