Home / 7,438.20-11,157.59-2,244.07

Finding the Fourth Proportional to 7,438.20, 11,157.59 and 2,244.07

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Solution

The fourth proportional to 7,438.20, 11,157.59 and 2,244.07 is: 3,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.20 : 11,157.59 = 2,244.07 : x
  2. Step 2: Convert to fraction form
    7,438.20/11,157.59 = 2,244.07/x
  3. Step 3: Cross multiply
    7,438.20x = 11,157.59 × 2,244.07
  4. Step 4: Simplify right side
    7,438.20x = 25,038,412.99
  5. Step 5: Solve for x
    x = 25,038,412.99/7,438.20
  6. Step 6: Final answer
    x = 3,366.19

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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.