Home / 8,140.29-11,233.65-4,555.36

Finding the Fourth Proportional to 8,140.29, 11,233.65 and 4,555.36

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Solution

The fourth proportional to 8,140.29, 11,233.65 and 4,555.36 is: 6,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.29 : 11,233.65 = 4,555.36 : x
  2. Step 2: Convert to fraction form
    8,140.29/11,233.65 = 4,555.36/x
  3. Step 3: Cross multiply
    8,140.29x = 11,233.65 × 4,555.36
  4. Step 4: Simplify right side
    8,140.29x = 51,173,319.86
  5. Step 5: Solve for x
    x = 51,173,319.86/8,140.29
  6. Step 6: Final answer
    x = 6,286.42

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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.