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Finding the Fourth Proportional to 7,118.69, 10,678.18 and 2,444.08

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Solution

The fourth proportional to 7,118.69, 10,678.18 and 2,444.08 is: 3,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.69 : 10,678.18 = 2,444.08 : x
  2. Step 2: Convert to fraction form
    7,118.69/10,678.18 = 2,444.08/x
  3. Step 3: Cross multiply
    7,118.69x = 10,678.18 × 2,444.08
  4. Step 4: Simplify right side
    7,118.69x = 26,098,326.17
  5. Step 5: Solve for x
    x = 26,098,326.17/7,118.69
  6. Step 6: Final answer
    x = 3,666.17

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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.