Home / 8,574.12-12,862.71-3,030.68

Finding the Fourth Proportional to 8,574.12, 12,862.71 and 3,030.68

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Solution

The fourth proportional to 8,574.12, 12,862.71 and 3,030.68 is: 4,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.12 : 12,862.71 = 3,030.68 : x
  2. Step 2: Convert to fraction form
    8,574.12/12,862.71 = 3,030.68/x
  3. Step 3: Cross multiply
    8,574.12x = 12,862.71 × 3,030.68
  4. Step 4: Simplify right side
    8,574.12x = 38,982,757.94
  5. Step 5: Solve for x
    x = 38,982,757.94/8,574.12
  6. Step 6: Final answer
    x = 4,546.56

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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.