Home / 7,113.06-10,654.71-5,718.85

Finding the Fourth Proportional to 7,113.06, 10,654.71 and 5,718.85

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Solution

The fourth proportional to 7,113.06, 10,654.71 and 5,718.85 is: 8,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.06 : 10,654.71 = 5,718.85 : x
  2. Step 2: Convert to fraction form
    7,113.06/10,654.71 = 5,718.85/x
  3. Step 3: Cross multiply
    7,113.06x = 10,654.71 × 5,718.85
  4. Step 4: Simplify right side
    7,113.06x = 60,932,640.20
  5. Step 5: Solve for x
    x = 60,932,640.20/7,113.06
  6. Step 6: Final answer
    x = 8,566.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.