Home / 7,148.04-10,729.95-5,398.44

Finding the Fourth Proportional to 7,148.04, 10,729.95 and 5,398.44

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Solution

The fourth proportional to 7,148.04, 10,729.95 and 5,398.44 is: 8,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.04 : 10,729.95 = 5,398.44 : x
  2. Step 2: Convert to fraction form
    7,148.04/10,729.95 = 5,398.44/x
  3. Step 3: Cross multiply
    7,148.04x = 10,729.95 × 5,398.44
  4. Step 4: Simplify right side
    7,148.04x = 57,924,991.28
  5. Step 5: Solve for x
    x = 57,924,991.28/7,148.04
  6. Step 6: Final answer
    x = 8,103.62

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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.