Home / 4,214.34-6,320.70-1,291.86

Finding the Fourth Proportional to 4,214.34, 6,320.70 and 1,291.86

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Solution

The fourth proportional to 4,214.34, 6,320.70 and 1,291.86 is: 1,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.34 : 6,320.70 = 1,291.86 : x
  2. Step 2: Convert to fraction form
    4,214.34/6,320.70 = 1,291.86/x
  3. Step 3: Cross multiply
    4,214.34x = 6,320.70 × 1,291.86
  4. Step 4: Simplify right side
    4,214.34x = 8,165,459.50
  5. Step 5: Solve for x
    x = 8,165,459.50/4,214.34
  6. Step 6: Final answer
    x = 1,937.54

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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.