Home / 8,030.81-12,044.86-2,187.43

Finding the Fourth Proportional to 8,030.81, 12,044.86 and 2,187.43

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Solution

The fourth proportional to 8,030.81, 12,044.86 and 2,187.43 is: 3,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.81 : 12,044.86 = 2,187.43 : x
  2. Step 2: Convert to fraction form
    8,030.81/12,044.86 = 2,187.43/x
  3. Step 3: Cross multiply
    8,030.81x = 12,044.86 × 2,187.43
  4. Step 4: Simplify right side
    8,030.81x = 26,347,252.53
  5. Step 5: Solve for x
    x = 26,347,252.53/8,030.81
  6. Step 6: Final answer
    x = 3,280.77

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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.