Home / 5,704.79-8,561.80-2,420.19

Finding the Fourth Proportional to 5,704.79, 8,561.80 and 2,420.19

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Solution

The fourth proportional to 5,704.79, 8,561.80 and 2,420.19 is: 3,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.79 : 8,561.80 = 2,420.19 : x
  2. Step 2: Convert to fraction form
    5,704.79/8,561.80 = 2,420.19/x
  3. Step 3: Cross multiply
    5,704.79x = 8,561.80 × 2,420.19
  4. Step 4: Simplify right side
    5,704.79x = 20,721,182.74
  5. Step 5: Solve for x
    x = 20,721,182.74/5,704.79
  6. Step 6: Final answer
    x = 3,632.24

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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.