Home / 5,421.51-8,133.35-2,301.49

Finding the Fourth Proportional to 5,421.51, 8,133.35 and 2,301.49

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Solution

The fourth proportional to 5,421.51, 8,133.35 and 2,301.49 is: 3,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.51 : 8,133.35 = 2,301.49 : x
  2. Step 2: Convert to fraction form
    5,421.51/8,133.35 = 2,301.49/x
  3. Step 3: Cross multiply
    5,421.51x = 8,133.35 × 2,301.49
  4. Step 4: Simplify right side
    5,421.51x = 18,718,839.61
  5. Step 5: Solve for x
    x = 18,718,839.61/5,421.51
  6. Step 6: Final answer
    x = 3,452.70

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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.