Home / 5,135.24-7,703.90-1,671.56

Finding the Fourth Proportional to 5,135.24, 7,703.90 and 1,671.56

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Solution

The fourth proportional to 5,135.24, 7,703.90 and 1,671.56 is: 2,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.24 : 7,703.90 = 1,671.56 : x
  2. Step 2: Convert to fraction form
    5,135.24/7,703.90 = 1,671.56/x
  3. Step 3: Cross multiply
    5,135.24x = 7,703.90 × 1,671.56
  4. Step 4: Simplify right side
    5,135.24x = 12,877,531.08
  5. Step 5: Solve for x
    x = 12,877,531.08/5,135.24
  6. Step 6: Final answer
    x = 2,507.68

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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.