Home / 5,570.37-7,688.25-3,212.19

Finding the Fourth Proportional to 5,570.37, 7,688.25 and 3,212.19

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Solution

The fourth proportional to 5,570.37, 7,688.25 and 3,212.19 is: 4,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.37 : 7,688.25 = 3,212.19 : x
  2. Step 2: Convert to fraction form
    5,570.37/7,688.25 = 3,212.19/x
  3. Step 3: Cross multiply
    5,570.37x = 7,688.25 × 3,212.19
  4. Step 4: Simplify right side
    5,570.37x = 24,696,119.77
  5. Step 5: Solve for x
    x = 24,696,119.77/5,570.37
  6. Step 6: Final answer
    x = 4,433.48

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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.