Home / 7,763.40-10,713.42-4,226.60

Finding the Fourth Proportional to 7,763.40, 10,713.42 and 4,226.60

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Solution

The fourth proportional to 7,763.40, 10,713.42 and 4,226.60 is: 5,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.40 : 10,713.42 = 4,226.60 : x
  2. Step 2: Convert to fraction form
    7,763.40/10,713.42 = 4,226.60/x
  3. Step 3: Cross multiply
    7,763.40x = 10,713.42 × 4,226.60
  4. Step 4: Simplify right side
    7,763.40x = 45,281,340.97
  5. Step 5: Solve for x
    x = 45,281,340.97/7,763.40
  6. Step 6: Final answer
    x = 5,832.67

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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.