Home / 4,294.16-6,436.40-2,991.68

Finding the Fourth Proportional to 4,294.16, 6,436.40 and 2,991.68

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Solution

The fourth proportional to 4,294.16, 6,436.40 and 2,991.68 is: 4,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.16 : 6,436.40 = 2,991.68 : x
  2. Step 2: Convert to fraction form
    4,294.16/6,436.40 = 2,991.68/x
  3. Step 3: Cross multiply
    4,294.16x = 6,436.40 × 2,991.68
  4. Step 4: Simplify right side
    4,294.16x = 19,255,649.15
  5. Step 5: Solve for x
    x = 19,255,649.15/4,294.16
  6. Step 6: Final answer
    x = 4,484.15

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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.