Home / 10,460.16-15,690.24-3,539.52

Finding the Fourth Proportional to 10,460.16, 15,690.24 and 3,539.52

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Solution

The fourth proportional to 10,460.16, 15,690.24 and 3,539.52 is: 5,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.16 : 15,690.24 = 3,539.52 : x
  2. Step 2: Convert to fraction form
    10,460.16/15,690.24 = 3,539.52/x
  3. Step 3: Cross multiply
    10,460.16x = 15,690.24 × 3,539.52
  4. Step 4: Simplify right side
    10,460.16x = 55,535,918.28
  5. Step 5: Solve for x
    x = 55,535,918.28/10,460.16
  6. Step 6: Final answer
    x = 5,309.28

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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.