Home / 8,883.12-12,257.76-4,904.40

Finding the Fourth Proportional to 8,883.12, 12,257.76 and 4,904.40

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Solution

The fourth proportional to 8,883.12, 12,257.76 and 4,904.40 is: 6,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.12 : 12,257.76 = 4,904.40 : x
  2. Step 2: Convert to fraction form
    8,883.12/12,257.76 = 4,904.40/x
  3. Step 3: Cross multiply
    8,883.12x = 12,257.76 × 4,904.40
  4. Step 4: Simplify right side
    8,883.12x = 60,116,958.14
  5. Step 5: Solve for x
    x = 60,116,958.14/8,883.12
  6. Step 6: Final answer
    x = 6,767.55

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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.