Home / 8,916.04-12,292.96-5,723.71

Finding the Fourth Proportional to 8,916.04, 12,292.96 and 5,723.71

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Solution

The fourth proportional to 8,916.04, 12,292.96 and 5,723.71 is: 7,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.04 : 12,292.96 = 5,723.71 : x
  2. Step 2: Convert to fraction form
    8,916.04/12,292.96 = 5,723.71/x
  3. Step 3: Cross multiply
    8,916.04x = 12,292.96 × 5,723.71
  4. Step 4: Simplify right side
    8,916.04x = 70,361,293.04
  5. Step 5: Solve for x
    x = 70,361,293.04/8,916.04
  6. Step 6: Final answer
    x = 7,891.54

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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.