Home / 5,117.66-7,676.26-1,607.58

Finding the Fourth Proportional to 5,117.66, 7,676.26 and 1,607.58

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Solution

The fourth proportional to 5,117.66, 7,676.26 and 1,607.58 is: 2,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.66 : 7,676.26 = 1,607.58 : x
  2. Step 2: Convert to fraction form
    5,117.66/7,676.26 = 1,607.58/x
  3. Step 3: Cross multiply
    5,117.66x = 7,676.26 × 1,607.58
  4. Step 4: Simplify right side
    5,117.66x = 12,340,202.05
  5. Step 5: Solve for x
    x = 12,340,202.05/5,117.66
  6. Step 6: Final answer
    x = 2,411.30

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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.