Home / 5,402.94-8,105.78-1,507.35

Finding the Fourth Proportional to 5,402.94, 8,105.78 and 1,507.35

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Solution

The fourth proportional to 5,402.94, 8,105.78 and 1,507.35 is: 2,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.94 : 8,105.78 = 1,507.35 : x
  2. Step 2: Convert to fraction form
    5,402.94/8,105.78 = 1,507.35/x
  3. Step 3: Cross multiply
    5,402.94x = 8,105.78 × 1,507.35
  4. Step 4: Simplify right side
    5,402.94x = 12,218,239.95
  5. Step 5: Solve for x
    x = 12,218,239.95/5,402.94
  6. Step 6: Final answer
    x = 2,261.41

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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.