Home / 5,685.39-8,526.69-1,789.79

Finding the Fourth Proportional to 5,685.39, 8,526.69 and 1,789.79

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Solution

The fourth proportional to 5,685.39, 8,526.69 and 1,789.79 is: 2,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.39 : 8,526.69 = 1,789.79 : x
  2. Step 2: Convert to fraction form
    5,685.39/8,526.69 = 1,789.79/x
  3. Step 3: Cross multiply
    5,685.39x = 8,526.69 × 1,789.79
  4. Step 4: Simplify right side
    5,685.39x = 15,260,941.86
  5. Step 5: Solve for x
    x = 15,260,941.86/5,685.39
  6. Step 6: Final answer
    x = 2,684.24

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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.