Home / 5,259.74-7,888.86-2,141.10

Finding the Fourth Proportional to 5,259.74, 7,888.86 and 2,141.10

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Solution

The fourth proportional to 5,259.74, 7,888.86 and 2,141.10 is: 3,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.74 : 7,888.86 = 2,141.10 : x
  2. Step 2: Convert to fraction form
    5,259.74/7,888.86 = 2,141.10/x
  3. Step 3: Cross multiply
    5,259.74x = 7,888.86 × 2,141.10
  4. Step 4: Simplify right side
    5,259.74x = 16,890,838.15
  5. Step 5: Solve for x
    x = 16,890,838.15/5,259.74
  6. Step 6: Final answer
    x = 3,211.35

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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.