Home / 6,699.78-9,244.94-3,715.34

Finding the Fourth Proportional to 6,699.78, 9,244.94 and 3,715.34

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Solution

The fourth proportional to 6,699.78, 9,244.94 and 3,715.34 is: 5,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.78 : 9,244.94 = 3,715.34 : x
  2. Step 2: Convert to fraction form
    6,699.78/9,244.94 = 3,715.34/x
  3. Step 3: Cross multiply
    6,699.78x = 9,244.94 × 3,715.34
  4. Step 4: Simplify right side
    6,699.78x = 34,348,030.58
  5. Step 5: Solve for x
    x = 34,348,030.58/6,699.78
  6. Step 6: Final answer
    x = 5,126.74

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1.5x scale

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.