Home / 9,030.16-13,540.22-2,788.40

Finding the Fourth Proportional to 9,030.16, 13,540.22 and 2,788.40

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Solution

The fourth proportional to 9,030.16, 13,540.22 and 2,788.40 is: 4,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.16 : 13,540.22 = 2,788.40 : x
  2. Step 2: Convert to fraction form
    9,030.16/13,540.22 = 2,788.40/x
  3. Step 3: Cross multiply
    9,030.16x = 13,540.22 × 2,788.40
  4. Step 4: Simplify right side
    9,030.16x = 37,755,549.45
  5. Step 5: Solve for x
    x = 37,755,549.45/9,030.16
  6. Step 6: Final answer
    x = 4,181.05

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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.