Home / 7,719.71-10,653.20-4,182.93

Finding the Fourth Proportional to 7,719.71, 10,653.20 and 4,182.93

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Solution

The fourth proportional to 7,719.71, 10,653.20 and 4,182.93 is: 5,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.71 : 10,653.20 = 4,182.93 : x
  2. Step 2: Convert to fraction form
    7,719.71/10,653.20 = 4,182.93/x
  3. Step 3: Cross multiply
    7,719.71x = 10,653.20 × 4,182.93
  4. Step 4: Simplify right side
    7,719.71x = 44,561,568.96
  5. Step 5: Solve for x
    x = 44,561,568.96/7,719.71
  6. Step 6: Final answer
    x = 5,772.44

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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.