Home / 4,291.49-6,439.72-2,317.11

Finding the Fourth Proportional to 4,291.49, 6,439.72 and 2,317.11

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Solution

The fourth proportional to 4,291.49, 6,439.72 and 2,317.11 is: 3,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.49 : 6,439.72 = 2,317.11 : x
  2. Step 2: Convert to fraction form
    4,291.49/6,439.72 = 2,317.11/x
  3. Step 3: Cross multiply
    4,291.49x = 6,439.72 × 2,317.11
  4. Step 4: Simplify right side
    4,291.49x = 14,921,539.61
  5. Step 5: Solve for x
    x = 14,921,539.61/4,291.49
  6. Step 6: Final answer
    x = 3,477.01

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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.