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Finding the Fourth Proportional to 6,802.79, 9,379.52 and 4,674.11

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Solution

The fourth proportional to 6,802.79, 9,379.52 and 4,674.11 is: 6,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.79 : 9,379.52 = 4,674.11 : x
  2. Step 2: Convert to fraction form
    6,802.79/9,379.52 = 4,674.11/x
  3. Step 3: Cross multiply
    6,802.79x = 9,379.52 × 4,674.11
  4. Step 4: Simplify right side
    6,802.79x = 43,840,908.31
  5. Step 5: Solve for x
    x = 43,840,908.31/6,802.79
  6. Step 6: Final answer
    x = 6,444.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.