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Finding the Fourth Proportional to 6,994.55, 10,487.81 and 3,477.40

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Solution

The fourth proportional to 6,994.55, 10,487.81 and 3,477.40 is: 5,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.55 : 10,487.81 = 3,477.40 : x
  2. Step 2: Convert to fraction form
    6,994.55/10,487.81 = 3,477.40/x
  3. Step 3: Cross multiply
    6,994.55x = 10,487.81 × 3,477.40
  4. Step 4: Simplify right side
    6,994.55x = 36,470,292.97
  5. Step 5: Solve for x
    x = 36,470,292.97/6,994.55
  6. Step 6: Final answer
    x = 5,214.10

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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.