Home / 5,561.51-8,342.91-1,862.89

Finding the Fourth Proportional to 5,561.51, 8,342.91 and 1,862.89

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Solution

The fourth proportional to 5,561.51, 8,342.91 and 1,862.89 is: 2,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.51 : 8,342.91 = 1,862.89 : x
  2. Step 2: Convert to fraction form
    5,561.51/8,342.91 = 1,862.89/x
  3. Step 3: Cross multiply
    5,561.51x = 8,342.91 × 1,862.89
  4. Step 4: Simplify right side
    5,561.51x = 15,541,902.75
  5. Step 5: Solve for x
    x = 15,541,902.75/5,561.51
  6. Step 6: Final answer
    x = 2,794.55

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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.