Home / 7,420.82-10,247.61-4,772.82

Finding the Fourth Proportional to 7,420.82, 10,247.61 and 4,772.82

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Solution

The fourth proportional to 7,420.82, 10,247.61 and 4,772.82 is: 6,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.82 : 10,247.61 = 4,772.82 : x
  2. Step 2: Convert to fraction form
    7,420.82/10,247.61 = 4,772.82/x
  3. Step 3: Cross multiply
    7,420.82x = 10,247.61 × 4,772.82
  4. Step 4: Simplify right side
    7,420.82x = 48,910,054.29
  5. Step 5: Solve for x
    x = 48,910,054.29/7,420.82
  6. Step 6: Final answer
    x = 6,590.93

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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.