Home / 5,559.29-7,670.69-3,200.81

Finding the Fourth Proportional to 5,559.29, 7,670.69 and 3,200.81

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Solution

The fourth proportional to 5,559.29, 7,670.69 and 3,200.81 is: 4,416.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.29 : 7,670.69 = 3,200.81 : x
  2. Step 2: Convert to fraction form
    5,559.29/7,670.69 = 3,200.81/x
  3. Step 3: Cross multiply
    5,559.29x = 7,670.69 × 3,200.81
  4. Step 4: Simplify right side
    5,559.29x = 24,552,405.25
  5. Step 5: Solve for x
    x = 24,552,405.25/5,559.29
  6. Step 6: Final answer
    x = 4,416.46

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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.