Home / 9,187.37-13,781.06-2,948.03

Finding the Fourth Proportional to 9,187.37, 13,781.06 and 2,948.03

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Solution

The fourth proportional to 9,187.37, 13,781.06 and 2,948.03 is: 4,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.37 : 13,781.06 = 2,948.03 : x
  2. Step 2: Convert to fraction form
    9,187.37/13,781.06 = 2,948.03/x
  3. Step 3: Cross multiply
    9,187.37x = 13,781.06 × 2,948.03
  4. Step 4: Simplify right side
    9,187.37x = 40,626,978.31
  5. Step 5: Solve for x
    x = 40,626,978.31/9,187.37
  6. Step 6: Final answer
    x = 4,422.05

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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.