Home / 7,168.38-10,750.65-1,973.02

Finding the Fourth Proportional to 7,168.38, 10,750.65 and 1,973.02

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Solution

The fourth proportional to 7,168.38, 10,750.65 and 1,973.02 is: 2,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.38 : 10,750.65 = 1,973.02 : x
  2. Step 2: Convert to fraction form
    7,168.38/10,750.65 = 1,973.02/x
  3. Step 3: Cross multiply
    7,168.38x = 10,750.65 × 1,973.02
  4. Step 4: Simplify right side
    7,168.38x = 21,211,247.46
  5. Step 5: Solve for x
    x = 21,211,247.46/7,168.38
  6. Step 6: Final answer
    x = 2,959.00

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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.