Home / 5,685.53-8,528.29-2,761.33

Finding the Fourth Proportional to 5,685.53, 8,528.29 and 2,761.33

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Solution

The fourth proportional to 5,685.53, 8,528.29 and 2,761.33 is: 4,141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.53 : 8,528.29 = 2,761.33 : x
  2. Step 2: Convert to fraction form
    5,685.53/8,528.29 = 2,761.33/x
  3. Step 3: Cross multiply
    5,685.53x = 8,528.29 × 2,761.33
  4. Step 4: Simplify right side
    5,685.53x = 23,549,423.03
  5. Step 5: Solve for x
    x = 23,549,423.03/5,685.53
  6. Step 6: Final answer
    x = 4,141.99

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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.