Home / 7,678.30-10,593.72-4,690.96

Finding the Fourth Proportional to 7,678.30, 10,593.72 and 4,690.96

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Solution

The fourth proportional to 7,678.30, 10,593.72 and 4,690.96 is: 6,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.30 : 10,593.72 = 4,690.96 : x
  2. Step 2: Convert to fraction form
    7,678.30/10,593.72 = 4,690.96/x
  3. Step 3: Cross multiply
    7,678.30x = 10,593.72 × 4,690.96
  4. Step 4: Simplify right side
    7,678.30x = 49,694,716.77
  5. Step 5: Solve for x
    x = 49,694,716.77/7,678.30
  6. Step 6: Final answer
    x = 6,472.10

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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.