Home / 5,291.10-7,930.49-4,252.28

Finding the Fourth Proportional to 5,291.10, 7,930.49 and 4,252.28

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Solution

The fourth proportional to 5,291.10, 7,930.49 and 4,252.28 is: 6,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.10 : 7,930.49 = 4,252.28 : x
  2. Step 2: Convert to fraction form
    5,291.10/7,930.49 = 4,252.28/x
  3. Step 3: Cross multiply
    5,291.10x = 7,930.49 × 4,252.28
  4. Step 4: Simplify right side
    5,291.10x = 33,722,603.10
  5. Step 5: Solve for x
    x = 33,722,603.10/5,291.10
  6. Step 6: Final answer
    x = 6,373.46

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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.