Home / 8,301.68-12,454.34-2,458.74

Finding the Fourth Proportional to 8,301.68, 12,454.34 and 2,458.74

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Solution

The fourth proportional to 8,301.68, 12,454.34 and 2,458.74 is: 3,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.68 : 12,454.34 = 2,458.74 : x
  2. Step 2: Convert to fraction form
    8,301.68/12,454.34 = 2,458.74/x
  3. Step 3: Cross multiply
    8,301.68x = 12,454.34 × 2,458.74
  4. Step 4: Simplify right side
    8,301.68x = 30,621,971.64
  5. Step 5: Solve for x
    x = 30,621,971.64/8,301.68
  6. Step 6: Final answer
    x = 3,688.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.