Home / 5,280.14-7,283.41-3,487.63

Finding the Fourth Proportional to 5,280.14, 7,283.41 and 3,487.63

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Solution

The fourth proportional to 5,280.14, 7,283.41 and 3,487.63 is: 4,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.14 : 7,283.41 = 3,487.63 : x
  2. Step 2: Convert to fraction form
    5,280.14/7,283.41 = 3,487.63/x
  3. Step 3: Cross multiply
    5,280.14x = 7,283.41 × 3,487.63
  4. Step 4: Simplify right side
    5,280.14x = 25,401,839.22
  5. Step 5: Solve for x
    x = 25,401,839.22/5,280.14
  6. Step 6: Final answer
    x = 4,810.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.