Home / 8,209.32-12,312.84-2,366.40

Finding the Fourth Proportional to 8,209.32, 12,312.84 and 2,366.40

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Solution

The fourth proportional to 8,209.32, 12,312.84 and 2,366.40 is: 3,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.32 : 12,312.84 = 2,366.40 : x
  2. Step 2: Convert to fraction form
    8,209.32/12,312.84 = 2,366.40/x
  3. Step 3: Cross multiply
    8,209.32x = 12,312.84 × 2,366.40
  4. Step 4: Simplify right side
    8,209.32x = 29,137,104.58
  5. Step 5: Solve for x
    x = 29,137,104.58/8,209.32
  6. Step 6: Final answer
    x = 3,549.27

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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.