Home / 7,389.28-10,197.40-4,202.48

Finding the Fourth Proportional to 7,389.28, 10,197.40 and 4,202.48

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Solution

The fourth proportional to 7,389.28, 10,197.40 and 4,202.48 is: 5,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.28 : 10,197.40 = 4,202.48 : x
  2. Step 2: Convert to fraction form
    7,389.28/10,197.40 = 4,202.48/x
  3. Step 3: Cross multiply
    7,389.28x = 10,197.40 × 4,202.48
  4. Step 4: Simplify right side
    7,389.28x = 42,854,369.55
  5. Step 5: Solve for x
    x = 42,854,369.55/7,389.28
  6. Step 6: Final answer
    x = 5,799.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.