Home / 5,443.16-7,511.10-3,020.60

Finding the Fourth Proportional to 5,443.16, 7,511.10 and 3,020.60

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Solution

The fourth proportional to 5,443.16, 7,511.10 and 3,020.60 is: 4,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.16 : 7,511.10 = 3,020.60 : x
  2. Step 2: Convert to fraction form
    5,443.16/7,511.10 = 3,020.60/x
  3. Step 3: Cross multiply
    5,443.16x = 7,511.10 × 3,020.60
  4. Step 4: Simplify right side
    5,443.16x = 22,688,028.66
  5. Step 5: Solve for x
    x = 22,688,028.66/5,443.16
  6. Step 6: Final answer
    x = 4,168.17

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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.