Home / 5,153.10-7,729.65-3,306.30

Finding the Fourth Proportional to 5,153.10, 7,729.65 and 3,306.30

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Solution

The fourth proportional to 5,153.10, 7,729.65 and 3,306.30 is: 4,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.10 : 7,729.65 = 3,306.30 : x
  2. Step 2: Convert to fraction form
    5,153.10/7,729.65 = 3,306.30/x
  3. Step 3: Cross multiply
    5,153.10x = 7,729.65 × 3,306.30
  4. Step 4: Simplify right side
    5,153.10x = 25,556,541.80
  5. Step 5: Solve for x
    x = 25,556,541.80/5,153.10
  6. Step 6: Final answer
    x = 4,959.45

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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.