Home / 6,627.76-9,146.36-3,643.67

Finding the Fourth Proportional to 6,627.76, 9,146.36 and 3,643.67

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Solution

The fourth proportional to 6,627.76, 9,146.36 and 3,643.67 is: 5,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.76 : 9,146.36 = 3,643.67 : x
  2. Step 2: Convert to fraction form
    6,627.76/9,146.36 = 3,643.67/x
  3. Step 3: Cross multiply
    6,627.76x = 9,146.36 × 3,643.67
  4. Step 4: Simplify right side
    6,627.76x = 33,326,349.52
  5. Step 5: Solve for x
    x = 33,326,349.52/6,627.76
  6. Step 6: Final answer
    x = 5,028.30

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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.