Home / 6,641.10-9,164.75-3,656.79

Finding the Fourth Proportional to 6,641.10, 9,164.75 and 3,656.79

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Solution

The fourth proportional to 6,641.10, 9,164.75 and 3,656.79 is: 5,046.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.10 : 9,164.75 = 3,656.79 : x
  2. Step 2: Convert to fraction form
    6,641.10/9,164.75 = 3,656.79/x
  3. Step 3: Cross multiply
    6,641.10x = 9,164.75 × 3,656.79
  4. Step 4: Simplify right side
    6,641.10x = 33,513,547.87
  5. Step 5: Solve for x
    x = 33,513,547.87/6,641.10
  6. Step 6: Final answer
    x = 5,046.39

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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.