Home / 5,561.79-8,343.14-1,864.05

Finding the Fourth Proportional to 5,561.79, 8,343.14 and 1,864.05

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Solution

The fourth proportional to 5,561.79, 8,343.14 and 1,864.05 is: 2,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.79 : 8,343.14 = 1,864.05 : x
  2. Step 2: Convert to fraction form
    5,561.79/8,343.14 = 1,864.05/x
  3. Step 3: Cross multiply
    5,561.79x = 8,343.14 × 1,864.05
  4. Step 4: Simplify right side
    5,561.79x = 15,552,020.80
  5. Step 5: Solve for x
    x = 15,552,020.80/5,561.79
  6. Step 6: Final answer
    x = 2,796.23

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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.