Home / 9,024.50-13,531.80-2,782.78

Finding the Fourth Proportional to 9,024.50, 13,531.80 and 2,782.78

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Solution

The fourth proportional to 9,024.50, 13,531.80 and 2,782.78 is: 4,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,024.50 : 13,531.80 = 2,782.78 : x
  2. Step 2: Convert to fraction form
    9,024.50/13,531.80 = 2,782.78/x
  3. Step 3: Cross multiply
    9,024.50x = 13,531.80 × 2,782.78
  4. Step 4: Simplify right side
    9,024.50x = 37,656,022.40
  5. Step 5: Solve for x
    x = 37,656,022.40/9,024.50
  6. Step 6: Final answer
    x = 4,172.64

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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.