Home / 4,430.34-6,642.12-2,091.86

Finding the Fourth Proportional to 4,430.34, 6,642.12 and 2,091.86

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Solution

The fourth proportional to 4,430.34, 6,642.12 and 2,091.86 is: 3,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.34 : 6,642.12 = 2,091.86 : x
  2. Step 2: Convert to fraction form
    4,430.34/6,642.12 = 2,091.86/x
  3. Step 3: Cross multiply
    4,430.34x = 6,642.12 × 2,091.86
  4. Step 4: Simplify right side
    4,430.34x = 13,894,385.14
  5. Step 5: Solve for x
    x = 13,894,385.14/4,430.34
  6. Step 6: Final answer
    x = 3,136.19

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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.