Home / 5,010.78-7,515.36-1,548.06

Finding the Fourth Proportional to 5,010.78, 7,515.36 and 1,548.06

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Solution

The fourth proportional to 5,010.78, 7,515.36 and 1,548.06 is: 2,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.78 : 7,515.36 = 1,548.06 : x
  2. Step 2: Convert to fraction form
    5,010.78/7,515.36 = 1,548.06/x
  3. Step 3: Cross multiply
    5,010.78x = 7,515.36 × 1,548.06
  4. Step 4: Simplify right side
    5,010.78x = 11,634,228.20
  5. Step 5: Solve for x
    x = 11,634,228.20/5,010.78
  6. Step 6: Final answer
    x = 2,321.84

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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.