Home / 7,301.06-10,959.78-2,921.60

Finding the Fourth Proportional to 7,301.06, 10,959.78 and 2,921.60

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Solution

The fourth proportional to 7,301.06, 10,959.78 and 2,921.60 is: 4,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.06 : 10,959.78 = 2,921.60 : x
  2. Step 2: Convert to fraction form
    7,301.06/10,959.78 = 2,921.60/x
  3. Step 3: Cross multiply
    7,301.06x = 10,959.78 × 2,921.60
  4. Step 4: Simplify right side
    7,301.06x = 32,020,093.25
  5. Step 5: Solve for x
    x = 32,020,093.25/7,301.06
  6. Step 6: Final answer
    x = 4,385.68

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1.5x scale

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.