Home / 5,211.02-7,817.82-1,513.52

Finding the Fourth Proportional to 5,211.02, 7,817.82 and 1,513.52

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Solution

The fourth proportional to 5,211.02, 7,817.82 and 1,513.52 is: 2,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.02 : 7,817.82 = 1,513.52 : x
  2. Step 2: Convert to fraction form
    5,211.02/7,817.82 = 1,513.52/x
  3. Step 3: Cross multiply
    5,211.02x = 7,817.82 × 1,513.52
  4. Step 4: Simplify right side
    5,211.02x = 11,832,426.93
  5. Step 5: Solve for x
    x = 11,832,426.93/5,211.02
  6. Step 6: Final answer
    x = 2,270.65

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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.