Home / 8,321.14-12,482.18-3,127.06

Finding the Fourth Proportional to 8,321.14, 12,482.18 and 3,127.06

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Solution

The fourth proportional to 8,321.14, 12,482.18 and 3,127.06 is: 4,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.14 : 12,482.18 = 3,127.06 : x
  2. Step 2: Convert to fraction form
    8,321.14/12,482.18 = 3,127.06/x
  3. Step 3: Cross multiply
    8,321.14x = 12,482.18 × 3,127.06
  4. Step 4: Simplify right side
    8,321.14x = 39,032,525.79
  5. Step 5: Solve for x
    x = 39,032,525.79/8,321.14
  6. Step 6: Final answer
    x = 4,690.77

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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.