Home / 4,903.20-6,766.56-2,808

Finding the Fourth Proportional to 4,903.20, 6,766.56 and 2,808

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Solution

The fourth proportional to 4,903.20, 6,766.56 and 2,808 is: 3,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.20 : 6,766.56 = 2,808 : x
  2. Step 2: Convert to fraction form
    4,903.20/6,766.56 = 2,808/x
  3. Step 3: Cross multiply
    4,903.20x = 6,766.56 × 2,808
  4. Step 4: Simplify right side
    4,903.20x = 19,000,500.48
  5. Step 5: Solve for x
    x = 19,000,500.48/4,903.20
  6. Step 6: Final answer
    x = 3,875.12

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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.