Home / 9,030.40-13,549.62-5,742.64

Finding the Fourth Proportional to 9,030.40, 13,549.62 and 5,742.64

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Solution

The fourth proportional to 9,030.40, 13,549.62 and 5,742.64 is: 8,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.40 : 13,549.62 = 5,742.64 : x
  2. Step 2: Convert to fraction form
    9,030.40/13,549.62 = 5,742.64/x
  3. Step 3: Cross multiply
    9,030.40x = 13,549.62 × 5,742.64
  4. Step 4: Simplify right side
    9,030.40x = 77,810,589.80
  5. Step 5: Solve for x
    x = 77,810,589.80/9,030.40
  6. Step 6: Final answer
    x = 8,616.52

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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.