Home / 8,230.74-12,347.28-3,036.21

Finding the Fourth Proportional to 8,230.74, 12,347.28 and 3,036.21

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Solution

The fourth proportional to 8,230.74, 12,347.28 and 3,036.21 is: 4,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.74 : 12,347.28 = 3,036.21 : x
  2. Step 2: Convert to fraction form
    8,230.74/12,347.28 = 3,036.21/x
  3. Step 3: Cross multiply
    8,230.74x = 12,347.28 × 3,036.21
  4. Step 4: Simplify right side
    8,230.74x = 37,488,935.01
  5. Step 5: Solve for x
    x = 37,488,935.01/8,230.74
  6. Step 6: Final answer
    x = 4,554.75

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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.