Home / 8,030.46-12,046.59-2,187.12

Finding the Fourth Proportional to 8,030.46, 12,046.59 and 2,187.12

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Solution

The fourth proportional to 8,030.46, 12,046.59 and 2,187.12 is: 3,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.46 : 12,046.59 = 2,187.12 : x
  2. Step 2: Convert to fraction form
    8,030.46/12,046.59 = 2,187.12/x
  3. Step 3: Cross multiply
    8,030.46x = 12,046.59 × 2,187.12
  4. Step 4: Simplify right side
    8,030.46x = 26,347,337.92
  5. Step 5: Solve for x
    x = 26,347,337.92/8,030.46
  6. Step 6: Final answer
    x = 3,280.93

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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.