Home / 10,648.89-15,975.77-3,254.40

Finding the Fourth Proportional to 10,648.89, 15,975.77 and 3,254.40

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Solution

The fourth proportional to 10,648.89, 15,975.77 and 3,254.40 is: 4,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.89 : 15,975.77 = 3,254.40 : x
  2. Step 2: Convert to fraction form
    10,648.89/15,975.77 = 3,254.40/x
  3. Step 3: Cross multiply
    10,648.89x = 15,975.77 × 3,254.40
  4. Step 4: Simplify right side
    10,648.89x = 51,991,529.62
  5. Step 5: Solve for x
    x = 51,991,529.62/10,648.89
  6. Step 6: Final answer
    x = 4,882.34

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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.