Home / 7,500.51-11,239.82-4,220.01

Finding the Fourth Proportional to 7,500.51, 11,239.82 and 4,220.01

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Solution

The fourth proportional to 7,500.51, 11,239.82 and 4,220.01 is: 6,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.51 : 11,239.82 = 4,220.01 : x
  2. Step 2: Convert to fraction form
    7,500.51/11,239.82 = 4,220.01/x
  3. Step 3: Cross multiply
    7,500.51x = 11,239.82 × 4,220.01
  4. Step 4: Simplify right side
    7,500.51x = 47,432,131.70
  5. Step 5: Solve for x
    x = 47,432,131.70/7,500.51
  6. Step 6: Final answer
    x = 6,323.85

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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.