Home / 6,820.30-9,408.84-4,430.11

Finding the Fourth Proportional to 6,820.30, 9,408.84 and 4,430.11

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Solution

The fourth proportional to 6,820.30, 9,408.84 and 4,430.11 is: 6,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.30 : 9,408.84 = 4,430.11 : x
  2. Step 2: Convert to fraction form
    6,820.30/9,408.84 = 4,430.11/x
  3. Step 3: Cross multiply
    6,820.30x = 9,408.84 × 4,430.11
  4. Step 4: Simplify right side
    6,820.30x = 41,682,196.17
  5. Step 5: Solve for x
    x = 41,682,196.17/6,820.30
  6. Step 6: Final answer
    x = 6,111.49

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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.