Home / 4,605.91-6,909.28-1,485.99

Finding the Fourth Proportional to 4,605.91, 6,909.28 and 1,485.99

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Solution

The fourth proportional to 4,605.91, 6,909.28 and 1,485.99 is: 2,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.91 : 6,909.28 = 1,485.99 : x
  2. Step 2: Convert to fraction form
    4,605.91/6,909.28 = 1,485.99/x
  3. Step 3: Cross multiply
    4,605.91x = 6,909.28 × 1,485.99
  4. Step 4: Simplify right side
    4,605.91x = 10,267,117.27
  5. Step 5: Solve for x
    x = 10,267,117.27/4,605.91
  6. Step 6: Final answer
    x = 2,229.12

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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.