Home / 5,559.36-7,661.16-4,230.96

Finding the Fourth Proportional to 5,559.36, 7,661.16 and 4,230.96

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Solution

The fourth proportional to 5,559.36, 7,661.16 and 4,230.96 is: 5,830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.36 : 7,661.16 = 4,230.96 : x
  2. Step 2: Convert to fraction form
    5,559.36/7,661.16 = 4,230.96/x
  3. Step 3: Cross multiply
    5,559.36x = 7,661.16 × 4,230.96
  4. Step 4: Simplify right side
    5,559.36x = 32,414,061.51
  5. Step 5: Solve for x
    x = 32,414,061.51/5,559.36
  6. Step 6: Final answer
    x = 5,830.54

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Half scale
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Double 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.