Home / 5,280.16-7,915.44-2,200.48

Finding the Fourth Proportional to 5,280.16, 7,915.44 and 2,200.48

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Solution

The fourth proportional to 5,280.16, 7,915.44 and 2,200.48 is: 3,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.16 : 7,915.44 = 2,200.48 : x
  2. Step 2: Convert to fraction form
    5,280.16/7,915.44 = 2,200.48/x
  3. Step 3: Cross multiply
    5,280.16x = 7,915.44 × 2,200.48
  4. Step 4: Simplify right side
    5,280.16x = 17,417,767.41
  5. Step 5: Solve for x
    x = 17,417,767.41/5,280.16
  6. Step 6: Final answer
    x = 3,298.72

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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.