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Finding the Fourth Proportional to 6,990.50, 10,483.51 and 2,309.42

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Solution

The fourth proportional to 6,990.50, 10,483.51 and 2,309.42 is: 3,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.50 : 10,483.51 = 2,309.42 : x
  2. Step 2: Convert to fraction form
    6,990.50/10,483.51 = 2,309.42/x
  3. Step 3: Cross multiply
    6,990.50x = 10,483.51 × 2,309.42
  4. Step 4: Simplify right side
    6,990.50x = 24,210,827.66
  5. Step 5: Solve for x
    x = 24,210,827.66/6,990.50
  6. Step 6: Final answer
    x = 3,463.39

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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.