Home / 7,116.24-9,804.60-6,805.20

Finding the Fourth Proportional to 7,116.24, 9,804.60 and 6,805.20

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Solution

The fourth proportional to 7,116.24, 9,804.60 and 6,805.20 is: 9,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.24 : 9,804.60 = 6,805.20 : x
  2. Step 2: Convert to fraction form
    7,116.24/9,804.60 = 6,805.20/x
  3. Step 3: Cross multiply
    7,116.24x = 9,804.60 × 6,805.20
  4. Step 4: Simplify right side
    7,116.24x = 66,722,263.92
  5. Step 5: Solve for x
    x = 66,722,263.92/7,116.24
  6. Step 6: Final answer
    x = 9,376.06

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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.