Home / 5,239.22-7,817.99-4,773.47

Finding the Fourth Proportional to 5,239.22, 7,817.99 and 4,773.47

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Solution

The fourth proportional to 5,239.22, 7,817.99 and 4,773.47 is: 7,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.22 : 7,817.99 = 4,773.47 : x
  2. Step 2: Convert to fraction form
    5,239.22/7,817.99 = 4,773.47/x
  3. Step 3: Cross multiply
    5,239.22x = 7,817.99 × 4,773.47
  4. Step 4: Simplify right side
    5,239.22x = 37,318,877.77
  5. Step 5: Solve for x
    x = 37,318,877.77/5,239.22
  6. Step 6: Final answer
    x = 7,122.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.