Home / 4,671.36-6,446.88-2,808

Finding the Fourth Proportional to 4,671.36, 6,446.88 and 2,808

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Solution

The fourth proportional to 4,671.36, 6,446.88 and 2,808 is: 3,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.36 : 6,446.88 = 2,808 : x
  2. Step 2: Convert to fraction form
    4,671.36/6,446.88 = 2,808/x
  3. Step 3: Cross multiply
    4,671.36x = 6,446.88 × 2,808
  4. Step 4: Simplify right side
    4,671.36x = 18,102,839.04
  5. Step 5: Solve for x
    x = 18,102,839.04/4,671.36
  6. Step 6: Final answer
    x = 3,875.28

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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.