Home / 5,685.86-8,526.74-2,176.86

Finding the Fourth Proportional to 5,685.86, 8,526.74 and 2,176.86

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Solution

The fourth proportional to 5,685.86, 8,526.74 and 2,176.86 is: 3,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.86 : 8,526.74 = 2,176.86 : x
  2. Step 2: Convert to fraction form
    5,685.86/8,526.74 = 2,176.86/x
  3. Step 3: Cross multiply
    5,685.86x = 8,526.74 × 2,176.86
  4. Step 4: Simplify right side
    5,685.86x = 18,561,519.24
  5. Step 5: Solve for x
    x = 18,561,519.24/5,685.86
  6. Step 6: Final answer
    x = 3,264.51

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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.