Home / 8,322.34-12,491.07-4,430.02

Finding the Fourth Proportional to 8,322.34, 12,491.07 and 4,430.02

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Solution

The fourth proportional to 8,322.34, 12,491.07 and 4,430.02 is: 6,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.34 : 12,491.07 = 4,430.02 : x
  2. Step 2: Convert to fraction form
    8,322.34/12,491.07 = 4,430.02/x
  3. Step 3: Cross multiply
    8,322.34x = 12,491.07 × 4,430.02
  4. Step 4: Simplify right side
    8,322.34x = 55,335,689.92
  5. Step 5: Solve for x
    x = 55,335,689.92/8,322.34
  6. Step 6: Final answer
    x = 6,649.05

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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.