Home / 4,605.72-6,909.03-1,485.78

Finding the Fourth Proportional to 4,605.72, 6,909.03 and 1,485.78

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Solution

The fourth proportional to 4,605.72, 6,909.03 and 1,485.78 is: 2,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.72 : 6,909.03 = 1,485.78 : x
  2. Step 2: Convert to fraction form
    4,605.72/6,909.03 = 1,485.78/x
  3. Step 3: Cross multiply
    4,605.72x = 6,909.03 × 1,485.78
  4. Step 4: Simplify right side
    4,605.72x = 10,265,298.59
  5. Step 5: Solve for x
    x = 10,265,298.59/4,605.72
  6. Step 6: Final answer
    x = 2,228.82

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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.