Home / 4,327.07-6,489.90-1,206.74

Finding the Fourth Proportional to 4,327.07, 6,489.90 and 1,206.74

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Solution

The fourth proportional to 4,327.07, 6,489.90 and 1,206.74 is: 1,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.07 : 6,489.90 = 1,206.74 : x
  2. Step 2: Convert to fraction form
    4,327.07/6,489.90 = 1,206.74/x
  3. Step 3: Cross multiply
    4,327.07x = 6,489.90 × 1,206.74
  4. Step 4: Simplify right side
    4,327.07x = 7,831,638.15
  5. Step 5: Solve for x
    x = 7,831,638.15/4,327.07
  6. Step 6: Final answer
    x = 1,809.92

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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.