Home / 7,125.50-10,690.32-2,964.74

Finding the Fourth Proportional to 7,125.50, 10,690.32 and 2,964.74

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Solution

The fourth proportional to 7,125.50, 10,690.32 and 2,964.74 is: 4,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.50 : 10,690.32 = 2,964.74 : x
  2. Step 2: Convert to fraction form
    7,125.50/10,690.32 = 2,964.74/x
  3. Step 3: Cross multiply
    7,125.50x = 10,690.32 × 2,964.74
  4. Step 4: Simplify right side
    7,125.50x = 31,694,019.32
  5. Step 5: Solve for x
    x = 31,694,019.32/7,125.50
  6. Step 6: Final answer
    x = 4,447.97

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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.