Home / 7,215.28-10,808.96-4,433.76

Finding the Fourth Proportional to 7,215.28, 10,808.96 and 4,433.76

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Solution

The fourth proportional to 7,215.28, 10,808.96 and 4,433.76 is: 6,642.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.28 : 10,808.96 = 4,433.76 : x
  2. Step 2: Convert to fraction form
    7,215.28/10,808.96 = 4,433.76/x
  3. Step 3: Cross multiply
    7,215.28x = 10,808.96 × 4,433.76
  4. Step 4: Simplify right side
    7,215.28x = 47,924,334.49
  5. Step 5: Solve for x
    x = 47,924,334.49/7,215.28
  6. Step 6: Final answer
    x = 6,642.06

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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.