Home / 8,764.80-13,156.56-4,868.16

Finding the Fourth Proportional to 8,764.80, 13,156.56 and 4,868.16

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Solution

The fourth proportional to 8,764.80, 13,156.56 and 4,868.16 is: 7,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.80 : 13,156.56 = 4,868.16 : x
  2. Step 2: Convert to fraction form
    8,764.80/13,156.56 = 4,868.16/x
  3. Step 3: Cross multiply
    8,764.80x = 13,156.56 × 4,868.16
  4. Step 4: Simplify right side
    8,764.80x = 64,048,239.13
  5. Step 5: Solve for x
    x = 64,048,239.13/8,764.80
  6. Step 6: Final answer
    x = 7,307.44

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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.