Home / 7,838.48-11,750.16-2,641.52

Finding the Fourth Proportional to 7,838.48, 11,750.16 and 2,641.52

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Solution

The fourth proportional to 7,838.48, 11,750.16 and 2,641.52 is: 3,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.48 : 11,750.16 = 2,641.52 : x
  2. Step 2: Convert to fraction form
    7,838.48/11,750.16 = 2,641.52/x
  3. Step 3: Cross multiply
    7,838.48x = 11,750.16 × 2,641.52
  4. Step 4: Simplify right side
    7,838.48x = 31,038,282.64
  5. Step 5: Solve for x
    x = 31,038,282.64/7,838.48
  6. Step 6: Final answer
    x = 3,959.73

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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.