Home / 4,605.53-6,909.48-1,318.86

Finding the Fourth Proportional to 4,605.53, 6,909.48 and 1,318.86

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Solution

The fourth proportional to 4,605.53, 6,909.48 and 1,318.86 is: 1,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.53 : 6,909.48 = 1,318.86 : x
  2. Step 2: Convert to fraction form
    4,605.53/6,909.48 = 1,318.86/x
  3. Step 3: Cross multiply
    4,605.53x = 6,909.48 × 1,318.86
  4. Step 4: Simplify right side
    4,605.53x = 9,112,636.79
  5. Step 5: Solve for x
    x = 9,112,636.79/4,605.53
  6. Step 6: Final answer
    x = 1,978.63

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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.