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Finding the Fourth Proportional to 7,073.93, 10,612.71 and 2,688.99

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Solution

The fourth proportional to 7,073.93, 10,612.71 and 2,688.99 is: 4,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.93 : 10,612.71 = 2,688.99 : x
  2. Step 2: Convert to fraction form
    7,073.93/10,612.71 = 2,688.99/x
  3. Step 3: Cross multiply
    7,073.93x = 10,612.71 × 2,688.99
  4. Step 4: Simplify right side
    7,073.93x = 28,537,471.06
  5. Step 5: Solve for x
    x = 28,537,471.06/7,073.93
  6. Step 6: Final answer
    x = 4,034.18

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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.