Home / 10,277.80-15,416.70-2,882.50

Finding the Fourth Proportional to 10,277.80, 15,416.70 and 2,882.50

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Solution

The fourth proportional to 10,277.80, 15,416.70 and 2,882.50 is: 4,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.80 : 15,416.70 = 2,882.50 : x
  2. Step 2: Convert to fraction form
    10,277.80/15,416.70 = 2,882.50/x
  3. Step 3: Cross multiply
    10,277.80x = 15,416.70 × 2,882.50
  4. Step 4: Simplify right side
    10,277.80x = 44,438,637.75
  5. Step 5: Solve for x
    x = 44,438,637.75/10,277.80
  6. Step 6: Final answer
    x = 4,323.75

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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.