Home / 8,799.84-12,146.28-5,443.20

Finding the Fourth Proportional to 8,799.84, 12,146.28 and 5,443.20

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Solution

The fourth proportional to 8,799.84, 12,146.28 and 5,443.20 is: 7,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.84 : 12,146.28 = 5,443.20 : x
  2. Step 2: Convert to fraction form
    8,799.84/12,146.28 = 5,443.20/x
  3. Step 3: Cross multiply
    8,799.84x = 12,146.28 × 5,443.20
  4. Step 4: Simplify right side
    8,799.84x = 66,114,631.30
  5. Step 5: Solve for x
    x = 66,114,631.30/8,799.84
  6. Step 6: Final answer
    x = 7,513.16

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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.