Home / 4,672.08-6,445.44-2,808

Finding the Fourth Proportional to 4,672.08, 6,445.44 and 2,808

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Solution

The fourth proportional to 4,672.08, 6,445.44 and 2,808 is: 3,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.08 : 6,445.44 = 2,808 : x
  2. Step 2: Convert to fraction form
    4,672.08/6,445.44 = 2,808/x
  3. Step 3: Cross multiply
    4,672.08x = 6,445.44 × 2,808
  4. Step 4: Simplify right side
    4,672.08x = 18,098,795.52
  5. Step 5: Solve for x
    x = 18,098,795.52/4,672.08
  6. Step 6: Final answer
    x = 3,873.82

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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.