Home / 7,239.22-9,988.50-4,408.08

Finding the Fourth Proportional to 7,239.22, 9,988.50 and 4,408.08

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Solution

The fourth proportional to 7,239.22, 9,988.50 and 4,408.08 is: 6,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.22 : 9,988.50 = 4,408.08 : x
  2. Step 2: Convert to fraction form
    7,239.22/9,988.50 = 4,408.08/x
  3. Step 3: Cross multiply
    7,239.22x = 9,988.50 × 4,408.08
  4. Step 4: Simplify right side
    7,239.22x = 44,030,107.08
  5. Step 5: Solve for x
    x = 44,030,107.08/7,239.22
  6. Step 6: Final answer
    x = 6,082.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.