Home / 8,904.65-12,288.45-4,925.90

Finding the Fourth Proportional to 8,904.65, 12,288.45 and 4,925.90

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Solution

The fourth proportional to 8,904.65, 12,288.45 and 4,925.90 is: 6,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.65 : 12,288.45 = 4,925.90 : x
  2. Step 2: Convert to fraction form
    8,904.65/12,288.45 = 4,925.90/x
  3. Step 3: Cross multiply
    8,904.65x = 12,288.45 × 4,925.90
  4. Step 4: Simplify right side
    8,904.65x = 60,531,614.41
  5. Step 5: Solve for x
    x = 60,531,614.41/8,904.65
  6. Step 6: Final answer
    x = 6,797.76

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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.