Home / 8,085.64-12,124.98-3,154.36

Finding the Fourth Proportional to 8,085.64, 12,124.98 and 3,154.36

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Solution

The fourth proportional to 8,085.64, 12,124.98 and 3,154.36 is: 4,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.64 : 12,124.98 = 3,154.36 : x
  2. Step 2: Convert to fraction form
    8,085.64/12,124.98 = 3,154.36/x
  3. Step 3: Cross multiply
    8,085.64x = 12,124.98 × 3,154.36
  4. Step 4: Simplify right side
    8,085.64x = 38,246,551.91
  5. Step 5: Solve for x
    x = 38,246,551.91/8,085.64
  6. Step 6: Final answer
    x = 4,730.18

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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.