Home / 7,398.30-10,209.36-4,212.03

Finding the Fourth Proportional to 7,398.30, 10,209.36 and 4,212.03

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Solution

The fourth proportional to 7,398.30, 10,209.36 and 4,212.03 is: 5,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.30 : 10,209.36 = 4,212.03 : x
  2. Step 2: Convert to fraction form
    7,398.30/10,209.36 = 4,212.03/x
  3. Step 3: Cross multiply
    7,398.30x = 10,209.36 × 4,212.03
  4. Step 4: Simplify right side
    7,398.30x = 43,002,130.60
  5. Step 5: Solve for x
    x = 43,002,130.60/7,398.30
  6. Step 6: Final answer
    x = 5,812.43

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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.