Home / 7,719.20-10,654.24-4,363.96

Finding the Fourth Proportional to 7,719.20, 10,654.24 and 4,363.96

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Solution

The fourth proportional to 7,719.20, 10,654.24 and 4,363.96 is: 6,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.20 : 10,654.24 = 4,363.96 : x
  2. Step 2: Convert to fraction form
    7,719.20/10,654.24 = 4,363.96/x
  3. Step 3: Cross multiply
    7,719.20x = 10,654.24 × 4,363.96
  4. Step 4: Simplify right side
    7,719.20x = 46,494,677.19
  5. Step 5: Solve for x
    x = 46,494,677.19/7,719.20
  6. Step 6: Final answer
    x = 6,023.25

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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.