Home / 7,921.65-10,932.21-4,384.62

Finding the Fourth Proportional to 7,921.65, 10,932.21 and 4,384.62

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Solution

The fourth proportional to 7,921.65, 10,932.21 and 4,384.62 is: 6,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.65 : 10,932.21 = 4,384.62 : x
  2. Step 2: Convert to fraction form
    7,921.65/10,932.21 = 4,384.62/x
  3. Step 3: Cross multiply
    7,921.65x = 10,932.21 × 4,384.62
  4. Step 4: Simplify right side
    7,921.65x = 47,933,586.61
  5. Step 5: Solve for x
    x = 47,933,586.61/7,921.65
  6. Step 6: Final answer
    x = 6,050.96

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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.