Home / 5,204.32-7,802.40-2,605.92

Finding the Fourth Proportional to 5,204.32, 7,802.40 and 2,605.92

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Solution

The fourth proportional to 5,204.32, 7,802.40 and 2,605.92 is: 3,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.32 : 7,802.40 = 2,605.92 : x
  2. Step 2: Convert to fraction form
    5,204.32/7,802.40 = 2,605.92/x
  3. Step 3: Cross multiply
    5,204.32x = 7,802.40 × 2,605.92
  4. Step 4: Simplify right side
    5,204.32x = 20,332,430.21
  5. Step 5: Solve for x
    x = 20,332,430.21/5,204.32
  6. Step 6: Final answer
    x = 3,906.84

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1.5x scale

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.