Home / 7,326.88-10,116.36-6,617.32

Finding the Fourth Proportional to 7,326.88, 10,116.36 and 6,617.32

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Solution

The fourth proportional to 7,326.88, 10,116.36 and 6,617.32 is: 9,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.88 : 10,116.36 = 6,617.32 : x
  2. Step 2: Convert to fraction form
    7,326.88/10,116.36 = 6,617.32/x
  3. Step 3: Cross multiply
    7,326.88x = 10,116.36 × 6,617.32
  4. Step 4: Simplify right side
    7,326.88x = 66,943,191.36
  5. Step 5: Solve for x
    x = 66,943,191.36/7,326.88
  6. Step 6: Final answer
    x = 9,136.66

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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.