Home / 6,627.12-9,145.08-3,643.35

Finding the Fourth Proportional to 6,627.12, 9,145.08 and 3,643.35

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Solution

The fourth proportional to 6,627.12, 9,145.08 and 3,643.35 is: 5,027.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.12 : 9,145.08 = 3,643.35 : x
  2. Step 2: Convert to fraction form
    6,627.12/9,145.08 = 3,643.35/x
  3. Step 3: Cross multiply
    6,627.12x = 9,145.08 × 3,643.35
  4. Step 4: Simplify right side
    6,627.12x = 33,318,727.22
  5. Step 5: Solve for x
    x = 33,318,727.22/6,627.12
  6. Step 6: Final answer
    x = 5,027.63

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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.