Home / 5,280.69-7,936.99-4,362.15

Finding the Fourth Proportional to 5,280.69, 7,936.99 and 4,362.15

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Solution

The fourth proportional to 5,280.69, 7,936.99 and 4,362.15 is: 6,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.69 : 7,936.99 = 4,362.15 : x
  2. Step 2: Convert to fraction form
    5,280.69/7,936.99 = 4,362.15/x
  3. Step 3: Cross multiply
    5,280.69x = 7,936.99 × 4,362.15
  4. Step 4: Simplify right side
    5,280.69x = 34,622,359.79
  5. Step 5: Solve for x
    x = 34,622,359.79/5,280.69
  6. Step 6: Final answer
    x = 6,556.40

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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.