Home / 7,799.76-10,763.69-4,814.91

Finding the Fourth Proportional to 7,799.76, 10,763.69 and 4,814.91

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Solution

The fourth proportional to 7,799.76, 10,763.69 and 4,814.91 is: 6,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.76 : 10,763.69 = 4,814.91 : x
  2. Step 2: Convert to fraction form
    7,799.76/10,763.69 = 4,814.91/x
  3. Step 3: Cross multiply
    7,799.76x = 10,763.69 × 4,814.91
  4. Step 4: Simplify right side
    7,799.76x = 51,826,174.54
  5. Step 5: Solve for x
    x = 51,826,174.54/7,799.76
  6. Step 6: Final answer
    x = 6,644.59

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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.