Home / 8,809.11-12,156.59-4,830.28

Finding the Fourth Proportional to 8,809.11, 12,156.59 and 4,830.28

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Solution

The fourth proportional to 8,809.11, 12,156.59 and 4,830.28 is: 6,665.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.11 : 12,156.59 = 4,830.28 : x
  2. Step 2: Convert to fraction form
    8,809.11/12,156.59 = 4,830.28/x
  3. Step 3: Cross multiply
    8,809.11x = 12,156.59 × 4,830.28
  4. Step 4: Simplify right side
    8,809.11x = 58,719,715.23
  5. Step 5: Solve for x
    x = 58,719,715.23/8,809.11
  6. Step 6: Final answer
    x = 6,665.79

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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.