Home / 6,278.54-8,660.62-4,154.12

Finding the Fourth Proportional to 6,278.54, 8,660.62 and 4,154.12

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Solution

The fourth proportional to 6,278.54, 8,660.62 and 4,154.12 is: 5,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.54 : 8,660.62 = 4,154.12 : x
  2. Step 2: Convert to fraction form
    6,278.54/8,660.62 = 4,154.12/x
  3. Step 3: Cross multiply
    6,278.54x = 8,660.62 × 4,154.12
  4. Step 4: Simplify right side
    6,278.54x = 35,977,254.75
  5. Step 5: Solve for x
    x = 35,977,254.75/6,278.54
  6. Step 6: Final answer
    x = 5,730.19

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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.