Home / 7,488.09-11,239.02-3,792.90

Finding the Fourth Proportional to 7,488.09, 11,239.02 and 3,792.90

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Solution

The fourth proportional to 7,488.09, 11,239.02 and 3,792.90 is: 5,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.09 : 11,239.02 = 3,792.90 : x
  2. Step 2: Convert to fraction form
    7,488.09/11,239.02 = 3,792.90/x
  3. Step 3: Cross multiply
    7,488.09x = 11,239.02 × 3,792.90
  4. Step 4: Simplify right side
    7,488.09x = 42,628,478.96
  5. Step 5: Solve for x
    x = 42,628,478.96/7,488.09
  6. Step 6: Final answer
    x = 5,692.84

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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.