Home / 5,298.06-7,945.95-2,177.28

Finding the Fourth Proportional to 5,298.06, 7,945.95 and 2,177.28

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Solution

The fourth proportional to 5,298.06, 7,945.95 and 2,177.28 is: 3,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.06 : 7,945.95 = 2,177.28 : x
  2. Step 2: Convert to fraction form
    5,298.06/7,945.95 = 2,177.28/x
  3. Step 3: Cross multiply
    5,298.06x = 7,945.95 × 2,177.28
  4. Step 4: Simplify right side
    5,298.06x = 17,300,558.02
  5. Step 5: Solve for x
    x = 17,300,558.02/5,298.06
  6. Step 6: Final answer
    x = 3,265.45

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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.