Home / 7,543.19-11,314.76-3,100.82

Finding the Fourth Proportional to 7,543.19, 11,314.76 and 3,100.82

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Solution

The fourth proportional to 7,543.19, 11,314.76 and 3,100.82 is: 4,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.19 : 11,314.76 = 3,100.82 : x
  2. Step 2: Convert to fraction form
    7,543.19/11,314.76 = 3,100.82/x
  3. Step 3: Cross multiply
    7,543.19x = 11,314.76 × 3,100.82
  4. Step 4: Simplify right side
    7,543.19x = 35,084,962.03
  5. Step 5: Solve for x
    x = 35,084,962.03/7,543.19
  6. Step 6: Final answer
    x = 4,651.21

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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.