Home / 5,132.40-7,698.60-1,236.81

Finding the Fourth Proportional to 5,132.40, 7,698.60 and 1,236.81

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Solution

The fourth proportional to 5,132.40, 7,698.60 and 1,236.81 is: 1,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.40 : 7,698.60 = 1,236.81 : x
  2. Step 2: Convert to fraction form
    5,132.40/7,698.60 = 1,236.81/x
  3. Step 3: Cross multiply
    5,132.40x = 7,698.60 × 1,236.81
  4. Step 4: Simplify right side
    5,132.40x = 9,521,663.88
  5. Step 5: Solve for x
    x = 9,521,663.88/5,132.40
  6. Step 6: Final answer
    x = 1,855.21

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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.