Home / 9,320.77-12,863.02-5,342.65

Finding the Fourth Proportional to 9,320.77, 12,863.02 and 5,342.65

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Solution

The fourth proportional to 9,320.77, 12,863.02 and 5,342.65 is: 7,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.77 : 12,863.02 = 5,342.65 : x
  2. Step 2: Convert to fraction form
    9,320.77/12,863.02 = 5,342.65/x
  3. Step 3: Cross multiply
    9,320.77x = 12,863.02 × 5,342.65
  4. Step 4: Simplify right side
    9,320.77x = 68,722,613.80
  5. Step 5: Solve for x
    x = 68,722,613.80/9,320.77
  6. Step 6: Final answer
    x = 7,373.06

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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.