Home / 7,291.68-10,064.94-4,900.85

Finding the Fourth Proportional to 7,291.68, 10,064.94 and 4,900.85

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Solution

The fourth proportional to 7,291.68, 10,064.94 and 4,900.85 is: 6,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.68 : 10,064.94 = 4,900.85 : x
  2. Step 2: Convert to fraction form
    7,291.68/10,064.94 = 4,900.85/x
  3. Step 3: Cross multiply
    7,291.68x = 10,064.94 × 4,900.85
  4. Step 4: Simplify right side
    7,291.68x = 49,326,761.20
  5. Step 5: Solve for x
    x = 49,326,761.20/7,291.68
  6. Step 6: Final answer
    x = 6,764.80

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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.