Home / 8,466.40-12,701.79-4,959.37

Finding the Fourth Proportional to 8,466.40, 12,701.79 and 4,959.37

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Solution

The fourth proportional to 8,466.40, 12,701.79 and 4,959.37 is: 7,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.40 : 12,701.79 = 4,959.37 : x
  2. Step 2: Convert to fraction form
    8,466.40/12,701.79 = 4,959.37/x
  3. Step 3: Cross multiply
    8,466.40x = 12,701.79 × 4,959.37
  4. Step 4: Simplify right side
    8,466.40x = 62,992,876.27
  5. Step 5: Solve for x
    x = 62,992,876.27/8,466.40
  6. Step 6: Final answer
    x = 7,440.34

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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.