Home / 7,719.95-10,652.40-4,317

Finding the Fourth Proportional to 7,719.95, 10,652.40 and 4,317

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Solution

The fourth proportional to 7,719.95, 10,652.40 and 4,317 is: 5,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.95 : 10,652.40 = 4,317 : x
  2. Step 2: Convert to fraction form
    7,719.95/10,652.40 = 4,317/x
  3. Step 3: Cross multiply
    7,719.95x = 10,652.40 × 4,317
  4. Step 4: Simplify right side
    7,719.95x = 45,986,410.80
  5. Step 5: Solve for x
    x = 45,986,410.80/7,719.95
  6. Step 6: Final answer
    x = 5,956.83

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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.