Home / 5,685.51-8,529.89-4,127.07

Finding the Fourth Proportional to 5,685.51, 8,529.89 and 4,127.07

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Solution

The fourth proportional to 5,685.51, 8,529.89 and 4,127.07 is: 6,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.51 : 8,529.89 = 4,127.07 : x
  2. Step 2: Convert to fraction form
    5,685.51/8,529.89 = 4,127.07/x
  3. Step 3: Cross multiply
    5,685.51x = 8,529.89 × 4,127.07
  4. Step 4: Simplify right side
    5,685.51x = 35,203,432.49
  5. Step 5: Solve for x
    x = 35,203,432.49/5,685.51
  6. Step 6: Final answer
    x = 6,191.78

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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.