Home / 6,628.32-9,150.57-4,515.03

Finding the Fourth Proportional to 6,628.32, 9,150.57 and 4,515.03

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Solution

The fourth proportional to 6,628.32, 9,150.57 and 4,515.03 is: 6,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.32 : 9,150.57 = 4,515.03 : x
  2. Step 2: Convert to fraction form
    6,628.32/9,150.57 = 4,515.03/x
  3. Step 3: Cross multiply
    6,628.32x = 9,150.57 × 4,515.03
  4. Step 4: Simplify right side
    6,628.32x = 41,315,098.07
  5. Step 5: Solve for x
    x = 41,315,098.07/6,628.32
  6. Step 6: Final answer
    x = 6,233.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.