Home / 5,012.95-7,520.19-3,636.69

Finding the Fourth Proportional to 5,012.95, 7,520.19 and 3,636.69

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Solution

The fourth proportional to 5,012.95, 7,520.19 and 3,636.69 is: 5,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.95 : 7,520.19 = 3,636.69 : x
  2. Step 2: Convert to fraction form
    5,012.95/7,520.19 = 3,636.69/x
  3. Step 3: Cross multiply
    5,012.95x = 7,520.19 × 3,636.69
  4. Step 4: Simplify right side
    5,012.95x = 27,348,599.77
  5. Step 5: Solve for x
    x = 27,348,599.77/5,012.95
  6. Step 6: Final answer
    x = 5,455.59

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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.