Home / 7,795.32-10,756.98-4,257.78

Finding the Fourth Proportional to 7,795.32, 10,756.98 and 4,257.78

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Solution

The fourth proportional to 7,795.32, 10,756.98 and 4,257.78 is: 5,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.32 : 10,756.98 = 4,257.78 : x
  2. Step 2: Convert to fraction form
    7,795.32/10,756.98 = 4,257.78/x
  3. Step 3: Cross multiply
    7,795.32x = 10,756.98 × 4,257.78
  4. Step 4: Simplify right side
    7,795.32x = 45,800,854.30
  5. Step 5: Solve for x
    x = 45,800,854.30/7,795.32
  6. Step 6: Final answer
    x = 5,875.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.