Home / 10,285.14-15,424.52-3,710.47

Finding the Fourth Proportional to 10,285.14, 15,424.52 and 3,710.47

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Solution

The fourth proportional to 10,285.14, 15,424.52 and 3,710.47 is: 5,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.14 : 15,424.52 = 3,710.47 : x
  2. Step 2: Convert to fraction form
    10,285.14/15,424.52 = 3,710.47/x
  3. Step 3: Cross multiply
    10,285.14x = 15,424.52 × 3,710.47
  4. Step 4: Simplify right side
    10,285.14x = 57,232,219.45
  5. Step 5: Solve for x
    x = 57,232,219.45/10,285.14
  6. Step 6: Final answer
    x = 5,564.55

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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.