Home / 5,245.11-7,878.60-4,424.99

Finding the Fourth Proportional to 5,245.11, 7,878.60 and 4,424.99

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Solution

The fourth proportional to 5,245.11, 7,878.60 and 4,424.99 is: 6,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.11 : 7,878.60 = 4,424.99 : x
  2. Step 2: Convert to fraction form
    5,245.11/7,878.60 = 4,424.99/x
  3. Step 3: Cross multiply
    5,245.11x = 7,878.60 × 4,424.99
  4. Step 4: Simplify right side
    5,245.11x = 34,862,686.82
  5. Step 5: Solve for x
    x = 34,862,686.82/5,245.11
  6. Step 6: Final answer
    x = 6,646.70

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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.