Home / 4,427.13-6,640.70-1,830.13

Finding the Fourth Proportional to 4,427.13, 6,640.70 and 1,830.13

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Solution

The fourth proportional to 4,427.13, 6,640.70 and 1,830.13 is: 2,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.13 : 6,640.70 = 1,830.13 : x
  2. Step 2: Convert to fraction form
    4,427.13/6,640.70 = 1,830.13/x
  3. Step 3: Cross multiply
    4,427.13x = 6,640.70 × 1,830.13
  4. Step 4: Simplify right side
    4,427.13x = 12,153,344.29
  5. Step 5: Solve for x
    x = 12,153,344.29/4,427.13
  6. Step 6: Final answer
    x = 2,745.20

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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.