Home / 7,735.28-11,603.40-3,118.16

Finding the Fourth Proportional to 7,735.28, 11,603.40 and 3,118.16

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Solution

The fourth proportional to 7,735.28, 11,603.40 and 3,118.16 is: 4,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.28 : 11,603.40 = 3,118.16 : x
  2. Step 2: Convert to fraction form
    7,735.28/11,603.40 = 3,118.16/x
  3. Step 3: Cross multiply
    7,735.28x = 11,603.40 × 3,118.16
  4. Step 4: Simplify right side
    7,735.28x = 36,181,257.74
  5. Step 5: Solve for x
    x = 36,181,257.74/7,735.28
  6. Step 6: Final answer
    x = 4,677.43

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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.