Home / 4,419.28-6,628.76-1,341.20

Finding the Fourth Proportional to 4,419.28, 6,628.76 and 1,341.20

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Solution

The fourth proportional to 4,419.28, 6,628.76 and 1,341.20 is: 2,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.28 : 6,628.76 = 1,341.20 : x
  2. Step 2: Convert to fraction form
    4,419.28/6,628.76 = 1,341.20/x
  3. Step 3: Cross multiply
    4,419.28x = 6,628.76 × 1,341.20
  4. Step 4: Simplify right side
    4,419.28x = 8,890,492.91
  5. Step 5: Solve for x
    x = 8,890,492.91/4,419.28
  6. Step 6: Final answer
    x = 2,011.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.