Home / 5,490.40-8,236.88-1,594.72

Finding the Fourth Proportional to 5,490.40, 8,236.88 and 1,594.72

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Solution

The fourth proportional to 5,490.40, 8,236.88 and 1,594.72 is: 2,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.40 : 8,236.88 = 1,594.72 : x
  2. Step 2: Convert to fraction form
    5,490.40/8,236.88 = 1,594.72/x
  3. Step 3: Cross multiply
    5,490.40x = 8,236.88 × 1,594.72
  4. Step 4: Simplify right side
    5,490.40x = 13,135,517.27
  5. Step 5: Solve for x
    x = 13,135,517.27/5,490.40
  6. Step 6: Final answer
    x = 2,392.45

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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.