Home / 7,691.36-11,518.54-4,394.46

Finding the Fourth Proportional to 7,691.36, 11,518.54 and 4,394.46

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Solution

The fourth proportional to 7,691.36, 11,518.54 and 4,394.46 is: 6,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.36 : 11,518.54 = 4,394.46 : x
  2. Step 2: Convert to fraction form
    7,691.36/11,518.54 = 4,394.46/x
  3. Step 3: Cross multiply
    7,691.36x = 11,518.54 × 4,394.46
  4. Step 4: Simplify right side
    7,691.36x = 50,617,763.29
  5. Step 5: Solve for x
    x = 50,617,763.29/7,691.36
  6. Step 6: Final answer
    x = 6,581.12

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1.5x scale

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.