Home / 8,904.78-12,288.09-4,925.66

Finding the Fourth Proportional to 8,904.78, 12,288.09 and 4,925.66

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Solution

The fourth proportional to 8,904.78, 12,288.09 and 4,925.66 is: 6,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.78 : 12,288.09 = 4,925.66 : x
  2. Step 2: Convert to fraction form
    8,904.78/12,288.09 = 4,925.66/x
  3. Step 3: Cross multiply
    8,904.78x = 12,288.09 × 4,925.66
  4. Step 4: Simplify right side
    8,904.78x = 60,526,867.32
  5. Step 5: Solve for x
    x = 60,526,867.32/8,904.78
  6. Step 6: Final answer
    x = 6,797.12

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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.