Home / 4,380.55-6,566.57-2,916.47

Finding the Fourth Proportional to 4,380.55, 6,566.57 and 2,916.47

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Solution

The fourth proportional to 4,380.55, 6,566.57 and 2,916.47 is: 4,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.55 : 6,566.57 = 2,916.47 : x
  2. Step 2: Convert to fraction form
    4,380.55/6,566.57 = 2,916.47/x
  3. Step 3: Cross multiply
    4,380.55x = 6,566.57 × 2,916.47
  4. Step 4: Simplify right side
    4,380.55x = 19,151,217.18
  5. Step 5: Solve for x
    x = 19,151,217.18/4,380.55
  6. Step 6: Final answer
    x = 4,371.88

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1.5x scale

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.