Home / 5,087.02-7,627.92-2,312.38

Finding the Fourth Proportional to 5,087.02, 7,627.92 and 2,312.38

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Solution

The fourth proportional to 5,087.02, 7,627.92 and 2,312.38 is: 3,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.02 : 7,627.92 = 2,312.38 : x
  2. Step 2: Convert to fraction form
    5,087.02/7,627.92 = 2,312.38/x
  3. Step 3: Cross multiply
    5,087.02x = 7,627.92 × 2,312.38
  4. Step 4: Simplify right side
    5,087.02x = 17,638,649.65
  5. Step 5: Solve for x
    x = 17,638,649.65/5,087.02
  6. Step 6: Final answer
    x = 3,467.38

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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.