Home / 5,445.39-8,168.89-1,935.10

Finding the Fourth Proportional to 5,445.39, 8,168.89 and 1,935.10

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Solution

The fourth proportional to 5,445.39, 8,168.89 and 1,935.10 is: 2,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.39 : 8,168.89 = 1,935.10 : x
  2. Step 2: Convert to fraction form
    5,445.39/8,168.89 = 1,935.10/x
  3. Step 3: Cross multiply
    5,445.39x = 8,168.89 × 1,935.10
  4. Step 4: Simplify right side
    5,445.39x = 15,807,614.20
  5. Step 5: Solve for x
    x = 15,807,614.20/5,445.39
  6. Step 6: Final answer
    x = 2,902.94

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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.