Home / 4,446-6,669.72-1,368.72

Finding the Fourth Proportional to 4,446, 6,669.72 and 1,368.72

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Solution

The fourth proportional to 4,446, 6,669.72 and 1,368.72 is: 2,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,446 : 6,669.72 = 1,368.72 : x
  2. Step 2: Convert to fraction form
    4,446/6,669.72 = 1,368.72/x
  3. Step 3: Cross multiply
    4,446x = 6,669.72 × 1,368.72
  4. Step 4: Simplify right side
    4,446x = 9,128,979.16
  5. Step 5: Solve for x
    x = 9,128,979.16/4,446
  6. Step 6: Final answer
    x = 2,053.30

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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.