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Finding the Fourth Proportional to 7,064.80, 10,599.90 and 6,954.10

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Solution

The fourth proportional to 7,064.80, 10,599.90 and 6,954.10 is: 10,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.80 : 10,599.90 = 6,954.10 : x
  2. Step 2: Convert to fraction form
    7,064.80/10,599.90 = 6,954.10/x
  3. Step 3: Cross multiply
    7,064.80x = 10,599.90 × 6,954.10
  4. Step 4: Simplify right side
    7,064.80x = 73,712,764.59
  5. Step 5: Solve for x
    x = 73,712,764.59/7,064.80
  6. Step 6: Final answer
    x = 10,433.81

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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.