Home / 7,399.28-10,197.80-5,602.45

Finding the Fourth Proportional to 7,399.28, 10,197.80 and 5,602.45

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Solution

The fourth proportional to 7,399.28, 10,197.80 and 5,602.45 is: 7,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.28 : 10,197.80 = 5,602.45 : x
  2. Step 2: Convert to fraction form
    7,399.28/10,197.80 = 5,602.45/x
  3. Step 3: Cross multiply
    7,399.28x = 10,197.80 × 5,602.45
  4. Step 4: Simplify right side
    7,399.28x = 57,132,676.10
  5. Step 5: Solve for x
    x = 57,132,676.10/7,399.28
  6. Step 6: Final answer
    x = 7,721.39

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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.