Home / 7,719.43-10,652.86-4,182.65

Finding the Fourth Proportional to 7,719.43, 10,652.86 and 4,182.65

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Solution

The fourth proportional to 7,719.43, 10,652.86 and 4,182.65 is: 5,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.43 : 10,652.86 = 4,182.65 : x
  2. Step 2: Convert to fraction form
    7,719.43/10,652.86 = 4,182.65/x
  3. Step 3: Cross multiply
    7,719.43x = 10,652.86 × 4,182.65
  4. Step 4: Simplify right side
    7,719.43x = 44,557,121.16
  5. Step 5: Solve for x
    x = 44,557,121.16/7,719.43
  6. Step 6: Final answer
    x = 5,772.07

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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.