Home / 5,125.69-7,683.06-3,660.40

Finding the Fourth Proportional to 5,125.69, 7,683.06 and 3,660.40

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Solution

The fourth proportional to 5,125.69, 7,683.06 and 3,660.40 is: 5,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.69 : 7,683.06 = 3,660.40 : x
  2. Step 2: Convert to fraction form
    5,125.69/7,683.06 = 3,660.40/x
  3. Step 3: Cross multiply
    5,125.69x = 7,683.06 × 3,660.40
  4. Step 4: Simplify right side
    5,125.69x = 28,123,072.82
  5. Step 5: Solve for x
    x = 28,123,072.82/5,125.69
  6. Step 6: Final answer
    x = 5,486.69

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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.