Home / 6,918-9,551.16-4,438.32

Finding the Fourth Proportional to 6,918, 9,551.16 and 4,438.32

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Solution

The fourth proportional to 6,918, 9,551.16 and 4,438.32 is: 6,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918 : 9,551.16 = 4,438.32 : x
  2. Step 2: Convert to fraction form
    6,918/9,551.16 = 4,438.32/x
  3. Step 3: Cross multiply
    6,918x = 9,551.16 × 4,438.32
  4. Step 4: Simplify right side
    6,918x = 42,391,104.45
  5. Step 5: Solve for x
    x = 42,391,104.45/6,918
  6. Step 6: Final answer
    x = 6,127.65

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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.