Home / 8,280.47-11,427.10-4,743.91

Finding the Fourth Proportional to 8,280.47, 11,427.10 and 4,743.91

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Solution

The fourth proportional to 8,280.47, 11,427.10 and 4,743.91 is: 6,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.47 : 11,427.10 = 4,743.91 : x
  2. Step 2: Convert to fraction form
    8,280.47/11,427.10 = 4,743.91/x
  3. Step 3: Cross multiply
    8,280.47x = 11,427.10 × 4,743.91
  4. Step 4: Simplify right side
    8,280.47x = 54,209,093.53
  5. Step 5: Solve for x
    x = 54,209,093.53/8,280.47
  6. Step 6: Final answer
    x = 6,546.62

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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.