Home / 8,841.95-13,258.67-5,145.01

Finding the Fourth Proportional to 8,841.95, 13,258.67 and 5,145.01

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Solution

The fourth proportional to 8,841.95, 13,258.67 and 5,145.01 is: 7,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.95 : 13,258.67 = 5,145.01 : x
  2. Step 2: Convert to fraction form
    8,841.95/13,258.67 = 5,145.01/x
  3. Step 3: Cross multiply
    8,841.95x = 13,258.67 × 5,145.01
  4. Step 4: Simplify right side
    8,841.95x = 68,215,989.74
  5. Step 5: Solve for x
    x = 68,215,989.74/8,841.95
  6. Step 6: Final answer
    x = 7,715.04

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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.