Home / 8,313.18-12,472.77-5,146.94

Finding the Fourth Proportional to 8,313.18, 12,472.77 and 5,146.94

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Solution

The fourth proportional to 8,313.18, 12,472.77 and 5,146.94 is: 7,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.18 : 12,472.77 = 5,146.94 : x
  2. Step 2: Convert to fraction form
    8,313.18/12,472.77 = 5,146.94/x
  3. Step 3: Cross multiply
    8,313.18x = 12,472.77 × 5,146.94
  4. Step 4: Simplify right side
    8,313.18x = 64,196,536.46
  5. Step 5: Solve for x
    x = 64,196,536.46/8,313.18
  6. Step 6: Final answer
    x = 7,722.26

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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.