Home / 5,280.03-7,912.74-2,506.20

Finding the Fourth Proportional to 5,280.03, 7,912.74 and 2,506.20

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Solution

The fourth proportional to 5,280.03, 7,912.74 and 2,506.20 is: 3,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.03 : 7,912.74 = 2,506.20 : x
  2. Step 2: Convert to fraction form
    5,280.03/7,912.74 = 2,506.20/x
  3. Step 3: Cross multiply
    5,280.03x = 7,912.74 × 2,506.20
  4. Step 4: Simplify right side
    5,280.03x = 19,830,908.99
  5. Step 5: Solve for x
    x = 19,830,908.99/5,280.03
  6. Step 6: Final answer
    x = 3,755.83

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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.