Home / 8,964.50-13,448.57-3,417.89

Finding the Fourth Proportional to 8,964.50, 13,448.57 and 3,417.89

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Solution

The fourth proportional to 8,964.50, 13,448.57 and 3,417.89 is: 5,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.50 : 13,448.57 = 3,417.89 : x
  2. Step 2: Convert to fraction form
    8,964.50/13,448.57 = 3,417.89/x
  3. Step 3: Cross multiply
    8,964.50x = 13,448.57 × 3,417.89
  4. Step 4: Simplify right side
    8,964.50x = 45,965,648.59
  5. Step 5: Solve for x
    x = 45,965,648.59/8,964.50
  6. Step 6: Final answer
    x = 5,127.52

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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.