Home / 8,124.18-11,209.23-4,974.90

Finding the Fourth Proportional to 8,124.18, 11,209.23 and 4,974.90

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Solution

The fourth proportional to 8,124.18, 11,209.23 and 4,974.90 is: 6,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.18 : 11,209.23 = 4,974.90 : x
  2. Step 2: Convert to fraction form
    8,124.18/11,209.23 = 4,974.90/x
  3. Step 3: Cross multiply
    8,124.18x = 11,209.23 × 4,974.90
  4. Step 4: Simplify right side
    8,124.18x = 55,764,798.33
  5. Step 5: Solve for x
    x = 55,764,798.33/8,124.18
  6. Step 6: Final answer
    x = 6,864.05

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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.