Home / 5,685.17-8,530.71-4,298.09

Finding the Fourth Proportional to 5,685.17, 8,530.71 and 4,298.09

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Solution

The fourth proportional to 5,685.17, 8,530.71 and 4,298.09 is: 6,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.17 : 8,530.71 = 4,298.09 : x
  2. Step 2: Convert to fraction form
    5,685.17/8,530.71 = 4,298.09/x
  3. Step 3: Cross multiply
    5,685.17x = 8,530.71 × 4,298.09
  4. Step 4: Simplify right side
    5,685.17x = 36,665,791.42
  5. Step 5: Solve for x
    x = 36,665,791.42/5,685.17
  6. Step 6: Final answer
    x = 6,449.38

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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.