Home / 7,153.24-10,729.50-1,959.12

Finding the Fourth Proportional to 7,153.24, 10,729.50 and 1,959.12

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Solution

The fourth proportional to 7,153.24, 10,729.50 and 1,959.12 is: 2,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.24 : 10,729.50 = 1,959.12 : x
  2. Step 2: Convert to fraction form
    7,153.24/10,729.50 = 1,959.12/x
  3. Step 3: Cross multiply
    7,153.24x = 10,729.50 × 1,959.12
  4. Step 4: Simplify right side
    7,153.24x = 21,020,378.04
  5. Step 5: Solve for x
    x = 21,020,378.04/7,153.24
  6. Step 6: Final answer
    x = 2,938.58

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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.