Home / 9,128.30-12,597.05-4,936.55

Finding the Fourth Proportional to 9,128.30, 12,597.05 and 4,936.55

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Solution

The fourth proportional to 9,128.30, 12,597.05 and 4,936.55 is: 6,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.30 : 12,597.05 = 4,936.55 : x
  2. Step 2: Convert to fraction form
    9,128.30/12,597.05 = 4,936.55/x
  3. Step 3: Cross multiply
    9,128.30x = 12,597.05 × 4,936.55
  4. Step 4: Simplify right side
    9,128.30x = 62,186,011.01
  5. Step 5: Solve for x
    x = 62,186,011.01/9,128.30
  6. Step 6: Final answer
    x = 6,812.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.