Home / 8,152.46-12,228.69-2,891.33

Finding the Fourth Proportional to 8,152.46, 12,228.69 and 2,891.33

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Solution

The fourth proportional to 8,152.46, 12,228.69 and 2,891.33 is: 4,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.46 : 12,228.69 = 2,891.33 : x
  2. Step 2: Convert to fraction form
    8,152.46/12,228.69 = 2,891.33/x
  3. Step 3: Cross multiply
    8,152.46x = 12,228.69 × 2,891.33
  4. Step 4: Simplify right side
    8,152.46x = 35,357,178.26
  5. Step 5: Solve for x
    x = 35,357,178.26/8,152.46
  6. Step 6: Final answer
    x = 4,337.00

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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.