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Finding the Fourth Proportional to 6,903.70, 10,355.55 and 6,369.10

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Solution

The fourth proportional to 6,903.70, 10,355.55 and 6,369.10 is: 9,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.70 : 10,355.55 = 6,369.10 : x
  2. Step 2: Convert to fraction form
    6,903.70/10,355.55 = 6,369.10/x
  3. Step 3: Cross multiply
    6,903.70x = 10,355.55 × 6,369.10
  4. Step 4: Simplify right side
    6,903.70x = 65,955,533.51
  5. Step 5: Solve for x
    x = 65,955,533.51/6,903.70
  6. Step 6: Final answer
    x = 9,553.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.