Home / 5,509.18-7,605.63-4,247.47

Finding the Fourth Proportional to 5,509.18, 7,605.63 and 4,247.47

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Solution

The fourth proportional to 5,509.18, 7,605.63 and 4,247.47 is: 5,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.18 : 7,605.63 = 4,247.47 : x
  2. Step 2: Convert to fraction form
    5,509.18/7,605.63 = 4,247.47/x
  3. Step 3: Cross multiply
    5,509.18x = 7,605.63 × 4,247.47
  4. Step 4: Simplify right side
    5,509.18x = 32,304,685.26
  5. Step 5: Solve for x
    x = 32,304,685.26/5,509.18
  6. Step 6: Final answer
    x = 5,863.79

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.