Home / 7,490.81-11,237.21-2,559.12

Finding the Fourth Proportional to 7,490.81, 11,237.21 and 2,559.12

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Solution

The fourth proportional to 7,490.81, 11,237.21 and 2,559.12 is: 3,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.81 : 11,237.21 = 2,559.12 : x
  2. Step 2: Convert to fraction form
    7,490.81/11,237.21 = 2,559.12/x
  3. Step 3: Cross multiply
    7,490.81x = 11,237.21 × 2,559.12
  4. Step 4: Simplify right side
    7,490.81x = 28,757,356.06
  5. Step 5: Solve for x
    x = 28,757,356.06/7,490.81
  6. Step 6: Final answer
    x = 3,839.02

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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.