Home / 8,319.27-12,527.40-6,143.21

Finding the Fourth Proportional to 8,319.27, 12,527.40 and 6,143.21

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Solution

The fourth proportional to 8,319.27, 12,527.40 and 6,143.21 is: 9,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.27 : 12,527.40 = 6,143.21 : x
  2. Step 2: Convert to fraction form
    8,319.27/12,527.40 = 6,143.21/x
  3. Step 3: Cross multiply
    8,319.27x = 12,527.40 × 6,143.21
  4. Step 4: Simplify right side
    8,319.27x = 76,958,386.32
  5. Step 5: Solve for x
    x = 76,958,386.32/8,319.27
  6. Step 6: Final answer
    x = 9,250.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.