Home / 7,068.06-10,601.28-2,905.47

Finding the Fourth Proportional to 7,068.06, 10,601.28 and 2,905.47

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Solution

The fourth proportional to 7,068.06, 10,601.28 and 2,905.47 is: 4,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.06 : 10,601.28 = 2,905.47 : x
  2. Step 2: Convert to fraction form
    7,068.06/10,601.28 = 2,905.47/x
  3. Step 3: Cross multiply
    7,068.06x = 10,601.28 × 2,905.47
  4. Step 4: Simplify right side
    7,068.06x = 30,801,701.00
  5. Step 5: Solve for x
    x = 30,801,701.00/7,068.06
  6. Step 6: Final answer
    x = 4,357.87

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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.