Home / 7,799.76-10,763.40-4,263.12

Finding the Fourth Proportional to 7,799.76, 10,763.40 and 4,263.12

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Solution

The fourth proportional to 7,799.76, 10,763.40 and 4,263.12 is: 5,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.76 : 10,763.40 = 4,263.12 : x
  2. Step 2: Convert to fraction form
    7,799.76/10,763.40 = 4,263.12/x
  3. Step 3: Cross multiply
    7,799.76x = 10,763.40 × 4,263.12
  4. Step 4: Simplify right side
    7,799.76x = 45,885,665.81
  5. Step 5: Solve for x
    x = 45,885,665.81/7,799.76
  6. Step 6: Final answer
    x = 5,882.96

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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.