Home / 8,316.27-12,522.87-6,140.21

Finding the Fourth Proportional to 8,316.27, 12,522.87 and 6,140.21

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Solution

The fourth proportional to 8,316.27, 12,522.87 and 6,140.21 is: 9,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.27 : 12,522.87 = 6,140.21 : x
  2. Step 2: Convert to fraction form
    8,316.27/12,522.87 = 6,140.21/x
  3. Step 3: Cross multiply
    8,316.27x = 12,522.87 × 6,140.21
  4. Step 4: Simplify right side
    8,316.27x = 76,892,988.99
  5. Step 5: Solve for x
    x = 76,892,988.99/8,316.27
  6. Step 6: Final answer
    x = 9,246.09

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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.