Home / 5,225.47-7,211.02-2,867.59

Finding the Fourth Proportional to 5,225.47, 7,211.02 and 2,867.59

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Solution

The fourth proportional to 5,225.47, 7,211.02 and 2,867.59 is: 3,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.47 : 7,211.02 = 2,867.59 : x
  2. Step 2: Convert to fraction form
    5,225.47/7,211.02 = 2,867.59/x
  3. Step 3: Cross multiply
    5,225.47x = 7,211.02 × 2,867.59
  4. Step 4: Simplify right side
    5,225.47x = 20,678,248.84
  5. Step 5: Solve for x
    x = 20,678,248.84/5,225.47
  6. Step 6: Final answer
    x = 3,957.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.