Home / 6,681.14-9,215.52-4,291.64

Finding the Fourth Proportional to 6,681.14, 9,215.52 and 4,291.64

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Solution

The fourth proportional to 6,681.14, 9,215.52 and 4,291.64 is: 5,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.14 : 9,215.52 = 4,291.64 : x
  2. Step 2: Convert to fraction form
    6,681.14/9,215.52 = 4,291.64/x
  3. Step 3: Cross multiply
    6,681.14x = 9,215.52 × 4,291.64
  4. Step 4: Simplify right side
    6,681.14x = 39,549,694.25
  5. Step 5: Solve for x
    x = 39,549,694.25/6,681.14
  6. Step 6: Final answer
    x = 5,919.60

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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.