Home / 10,480.40-15,722.54-3,460.91

Finding the Fourth Proportional to 10,480.40, 15,722.54 and 3,460.91

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Solution

The fourth proportional to 10,480.40, 15,722.54 and 3,460.91 is: 5,192.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.40 : 15,722.54 = 3,460.91 : x
  2. Step 2: Convert to fraction form
    10,480.40/15,722.54 = 3,460.91/x
  3. Step 3: Cross multiply
    10,480.40x = 15,722.54 × 3,460.91
  4. Step 4: Simplify right side
    10,480.40x = 54,414,199.99
  5. Step 5: Solve for x
    x = 54,414,199.99/10,480.40
  6. Step 6: Final answer
    x = 5,192.00

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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.