Home / 8,394.16-11,583.75-4,617.40

Finding the Fourth Proportional to 8,394.16, 11,583.75 and 4,617.40

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Solution

The fourth proportional to 8,394.16, 11,583.75 and 4,617.40 is: 6,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.16 : 11,583.75 = 4,617.40 : x
  2. Step 2: Convert to fraction form
    8,394.16/11,583.75 = 4,617.40/x
  3. Step 3: Cross multiply
    8,394.16x = 11,583.75 × 4,617.40
  4. Step 4: Simplify right side
    8,394.16x = 53,486,807.25
  5. Step 5: Solve for x
    x = 53,486,807.25/8,394.16
  6. Step 6: Final answer
    x = 6,371.91

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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.