Home / 7,510.80-11,272.60-3,357.20

Finding the Fourth Proportional to 7,510.80, 11,272.60 and 3,357.20

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Solution

The fourth proportional to 7,510.80, 11,272.60 and 3,357.20 is: 5,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.80 : 11,272.60 = 3,357.20 : x
  2. Step 2: Convert to fraction form
    7,510.80/11,272.60 = 3,357.20/x
  3. Step 3: Cross multiply
    7,510.80x = 11,272.60 × 3,357.20
  4. Step 4: Simplify right side
    7,510.80x = 37,844,372.72
  5. Step 5: Solve for x
    x = 37,844,372.72/7,510.80
  6. Step 6: Final answer
    x = 5,038.66

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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.