Home / 6,619.04-9,134.20-3,635.08

Finding the Fourth Proportional to 6,619.04, 9,134.20 and 3,635.08

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Solution

The fourth proportional to 6,619.04, 9,134.20 and 3,635.08 is: 5,016.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.04 : 9,134.20 = 3,635.08 : x
  2. Step 2: Convert to fraction form
    6,619.04/9,134.20 = 3,635.08/x
  3. Step 3: Cross multiply
    6,619.04x = 9,134.20 × 3,635.08
  4. Step 4: Simplify right side
    6,619.04x = 33,203,547.74
  5. Step 5: Solve for x
    x = 33,203,547.74/6,619.04
  6. Step 6: Final answer
    x = 5,016.37

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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.