Home / 7,551.32-11,317.59-2,615.18

Finding the Fourth Proportional to 7,551.32, 11,317.59 and 2,615.18

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Solution

The fourth proportional to 7,551.32, 11,317.59 and 2,615.18 is: 3,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.32 : 11,317.59 = 2,615.18 : x
  2. Step 2: Convert to fraction form
    7,551.32/11,317.59 = 2,615.18/x
  3. Step 3: Cross multiply
    7,551.32x = 11,317.59 × 2,615.18
  4. Step 4: Simplify right side
    7,551.32x = 29,597,478.43
  5. Step 5: Solve for x
    x = 29,597,478.43/7,551.32
  6. Step 6: Final answer
    x = 3,919.51

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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.