Home / 8,698.40-13,049.76-4,076

Finding the Fourth Proportional to 8,698.40, 13,049.76 and 4,076

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Solution

The fourth proportional to 8,698.40, 13,049.76 and 4,076 is: 6,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.40 : 13,049.76 = 4,076 : x
  2. Step 2: Convert to fraction form
    8,698.40/13,049.76 = 4,076/x
  3. Step 3: Cross multiply
    8,698.40x = 13,049.76 × 4,076
  4. Step 4: Simplify right side
    8,698.40x = 53,190,821.76
  5. Step 5: Solve for x
    x = 53,190,821.76/8,698.40
  6. Step 6: Final answer
    x = 6,115.01

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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.