Home / 8,030.52-12,045.78-2,187.99

Finding the Fourth Proportional to 8,030.52, 12,045.78 and 2,187.99

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Solution

The fourth proportional to 8,030.52, 12,045.78 and 2,187.99 is: 3,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.52 : 12,045.78 = 2,187.99 : x
  2. Step 2: Convert to fraction form
    8,030.52/12,045.78 = 2,187.99/x
  3. Step 3: Cross multiply
    8,030.52x = 12,045.78 × 2,187.99
  4. Step 4: Simplify right side
    8,030.52x = 26,356,046.18
  5. Step 5: Solve for x
    x = 26,356,046.18/8,030.52
  6. Step 6: Final answer
    x = 3,281.99

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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.