Home / 8,785.76-13,176.81-3,237.66

Finding the Fourth Proportional to 8,785.76, 13,176.81 and 3,237.66

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Solution

The fourth proportional to 8,785.76, 13,176.81 and 3,237.66 is: 4,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.76 : 13,176.81 = 3,237.66 : x
  2. Step 2: Convert to fraction form
    8,785.76/13,176.81 = 3,237.66/x
  3. Step 3: Cross multiply
    8,785.76x = 13,176.81 × 3,237.66
  4. Step 4: Simplify right side
    8,785.76x = 42,662,030.66
  5. Step 5: Solve for x
    x = 42,662,030.66/8,785.76
  6. Step 6: Final answer
    x = 4,855.82

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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.