Home / 8,430.67-12,649.72-4,530.52

Finding the Fourth Proportional to 8,430.67, 12,649.72 and 4,530.52

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Solution

The fourth proportional to 8,430.67, 12,649.72 and 4,530.52 is: 6,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.67 : 12,649.72 = 4,530.52 : x
  2. Step 2: Convert to fraction form
    8,430.67/12,649.72 = 4,530.52/x
  3. Step 3: Cross multiply
    8,430.67x = 12,649.72 × 4,530.52
  4. Step 4: Simplify right side
    8,430.67x = 57,309,809.45
  5. Step 5: Solve for x
    x = 57,309,809.45/8,430.67
  6. Step 6: Final answer
    x = 6,797.78

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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.