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Finding the Fourth Proportional to 7,703.93, 10,631.39 and 4,346.72

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Solution

The fourth proportional to 7,703.93, 10,631.39 and 4,346.72 is: 5,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.93 : 10,631.39 = 4,346.72 : x
  2. Step 2: Convert to fraction form
    7,703.93/10,631.39 = 4,346.72/x
  3. Step 3: Cross multiply
    7,703.93x = 10,631.39 × 4,346.72
  4. Step 4: Simplify right side
    7,703.93x = 46,211,600.65
  5. Step 5: Solve for x
    x = 46,211,600.65/7,703.93
  6. Step 6: Final answer
    x = 5,998.45

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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.