Home / 7,079.65-10,620.75-2,917.34

Finding the Fourth Proportional to 7,079.65, 10,620.75 and 2,917.34

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Solution

The fourth proportional to 7,079.65, 10,620.75 and 2,917.34 is: 4,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.65 : 10,620.75 = 2,917.34 : x
  2. Step 2: Convert to fraction form
    7,079.65/10,620.75 = 2,917.34/x
  3. Step 3: Cross multiply
    7,079.65x = 10,620.75 × 2,917.34
  4. Step 4: Simplify right side
    7,079.65x = 30,984,320.06
  5. Step 5: Solve for x
    x = 30,984,320.06/7,079.65
  6. Step 6: Final answer
    x = 4,376.53

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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.