Home / 8,788.12-13,182.90-2,944.72

Finding the Fourth Proportional to 8,788.12, 13,182.90 and 2,944.72

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Solution

The fourth proportional to 8,788.12, 13,182.90 and 2,944.72 is: 4,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.12 : 13,182.90 = 2,944.72 : x
  2. Step 2: Convert to fraction form
    8,788.12/13,182.90 = 2,944.72/x
  3. Step 3: Cross multiply
    8,788.12x = 13,182.90 × 2,944.72
  4. Step 4: Simplify right side
    8,788.12x = 38,819,949.29
  5. Step 5: Solve for x
    x = 38,819,949.29/8,788.12
  6. Step 6: Final answer
    x = 4,417.32

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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.