Home / 8,900.19-13,350.69-2,977.61

Finding the Fourth Proportional to 8,900.19, 13,350.69 and 2,977.61

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Solution

The fourth proportional to 8,900.19, 13,350.69 and 2,977.61 is: 4,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.19 : 13,350.69 = 2,977.61 : x
  2. Step 2: Convert to fraction form
    8,900.19/13,350.69 = 2,977.61/x
  3. Step 3: Cross multiply
    8,900.19x = 13,350.69 × 2,977.61
  4. Step 4: Simplify right side
    8,900.19x = 39,753,081.30
  5. Step 5: Solve for x
    x = 39,753,081.30/8,900.19
  6. Step 6: Final answer
    x = 4,466.54

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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.