Home / 9,292.20-12,821.27-5,516.79

Finding the Fourth Proportional to 9,292.20, 12,821.27 and 5,516.79

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Solution

The fourth proportional to 9,292.20, 12,821.27 and 5,516.79 is: 7,612.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.20 : 12,821.27 = 5,516.79 : x
  2. Step 2: Convert to fraction form
    9,292.20/12,821.27 = 5,516.79/x
  3. Step 3: Cross multiply
    9,292.20x = 12,821.27 × 5,516.79
  4. Step 4: Simplify right side
    9,292.20x = 70,732,226.54
  5. Step 5: Solve for x
    x = 70,732,226.54/9,292.20
  6. Step 6: Final answer
    x = 7,612.00

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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.