Home / 6,808.14-10,164.56-6,390.99

Finding the Fourth Proportional to 6,808.14, 10,164.56 and 6,390.99

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Solution

The fourth proportional to 6,808.14, 10,164.56 and 6,390.99 is: 9,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.14 : 10,164.56 = 6,390.99 : x
  2. Step 2: Convert to fraction form
    6,808.14/10,164.56 = 6,390.99/x
  3. Step 3: Cross multiply
    6,808.14x = 10,164.56 × 6,390.99
  4. Step 4: Simplify right side
    6,808.14x = 64,961,569.36
  5. Step 5: Solve for x
    x = 64,961,569.36/6,808.14
  6. Step 6: Final answer
    x = 9,541.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.