Home / 8,878.12-13,319.88-3,034.72

Finding the Fourth Proportional to 8,878.12, 13,319.88 and 3,034.72

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Solution

The fourth proportional to 8,878.12, 13,319.88 and 3,034.72 is: 4,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.12 : 13,319.88 = 3,034.72 : x
  2. Step 2: Convert to fraction form
    8,878.12/13,319.88 = 3,034.72/x
  3. Step 3: Cross multiply
    8,878.12x = 13,319.88 × 3,034.72
  4. Step 4: Simplify right side
    8,878.12x = 40,422,106.23
  5. Step 5: Solve for x
    x = 40,422,106.23/8,878.12
  6. Step 6: Final answer
    x = 4,553.00

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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.