Home / 8,370.12-11,549.96-5,012.86

Finding the Fourth Proportional to 8,370.12, 11,549.96 and 5,012.86

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Solution

The fourth proportional to 8,370.12, 11,549.96 and 5,012.86 is: 6,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.12 : 11,549.96 = 5,012.86 : x
  2. Step 2: Convert to fraction form
    8,370.12/11,549.96 = 5,012.86/x
  3. Step 3: Cross multiply
    8,370.12x = 11,549.96 × 5,012.86
  4. Step 4: Simplify right side
    8,370.12x = 57,898,332.49
  5. Step 5: Solve for x
    x = 57,898,332.49/8,370.12
  6. Step 6: Final answer
    x = 6,917.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.