Home / 8,365.60-11,544.89-5,007.76

Finding the Fourth Proportional to 8,365.60, 11,544.89 and 5,007.76

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Solution

The fourth proportional to 8,365.60, 11,544.89 and 5,007.76 is: 6,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.60 : 11,544.89 = 5,007.76 : x
  2. Step 2: Convert to fraction form
    8,365.60/11,544.89 = 5,007.76/x
  3. Step 3: Cross multiply
    8,365.60x = 11,544.89 × 5,007.76
  4. Step 4: Simplify right side
    8,365.60x = 57,814,082.15
  5. Step 5: Solve for x
    x = 57,814,082.15/8,365.60
  6. Step 6: Final answer
    x = 6,910.93

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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.