Home / 8,973.78-13,466.82-3,130.39

Finding the Fourth Proportional to 8,973.78, 13,466.82 and 3,130.39

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Solution

The fourth proportional to 8,973.78, 13,466.82 and 3,130.39 is: 4,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.78 : 13,466.82 = 3,130.39 : x
  2. Step 2: Convert to fraction form
    8,973.78/13,466.82 = 3,130.39/x
  3. Step 3: Cross multiply
    8,973.78x = 13,466.82 × 3,130.39
  4. Step 4: Simplify right side
    8,973.78x = 42,156,351.48
  5. Step 5: Solve for x
    x = 42,156,351.48/8,973.78
  6. Step 6: Final answer
    x = 4,697.73

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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.