Home / 9,114.36-13,671.12-2,540.40

Finding the Fourth Proportional to 9,114.36, 13,671.12 and 2,540.40

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Solution

The fourth proportional to 9,114.36, 13,671.12 and 2,540.40 is: 3,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.36 : 13,671.12 = 2,540.40 : x
  2. Step 2: Convert to fraction form
    9,114.36/13,671.12 = 2,540.40/x
  3. Step 3: Cross multiply
    9,114.36x = 13,671.12 × 2,540.40
  4. Step 4: Simplify right side
    9,114.36x = 34,730,113.25
  5. Step 5: Solve for x
    x = 34,730,113.25/9,114.36
  6. Step 6: Final answer
    x = 3,810.48

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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.