Home / 7,104.30-9,816.96-6,762.88

Finding the Fourth Proportional to 7,104.30, 9,816.96 and 6,762.88

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Solution

The fourth proportional to 7,104.30, 9,816.96 and 6,762.88 is: 9,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.30 : 9,816.96 = 6,762.88 : x
  2. Step 2: Convert to fraction form
    7,104.30/9,816.96 = 6,762.88/x
  3. Step 3: Cross multiply
    7,104.30x = 9,816.96 × 6,762.88
  4. Step 4: Simplify right side
    7,104.30x = 66,390,922.44
  5. Step 5: Solve for x
    x = 66,390,922.44/7,104.30
  6. Step 6: Final answer
    x = 9,345.17

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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.