Home / 5,305.10-7,959.70-1,607.36

Finding the Fourth Proportional to 5,305.10, 7,959.70 and 1,607.36

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Solution

The fourth proportional to 5,305.10, 7,959.70 and 1,607.36 is: 2,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.10 : 7,959.70 = 1,607.36 : x
  2. Step 2: Convert to fraction form
    5,305.10/7,959.70 = 1,607.36/x
  3. Step 3: Cross multiply
    5,305.10x = 7,959.70 × 1,607.36
  4. Step 4: Simplify right side
    5,305.10x = 12,794,089.42
  5. Step 5: Solve for x
    x = 12,794,089.42/5,305.10
  6. Step 6: Final answer
    x = 2,411.66

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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.