Home / 10,490.04-15,735.06-2,698.86

Finding the Fourth Proportional to 10,490.04, 15,735.06 and 2,698.86

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Solution

The fourth proportional to 10,490.04, 15,735.06 and 2,698.86 is: 4,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.04 : 15,735.06 = 2,698.86 : x
  2. Step 2: Convert to fraction form
    10,490.04/15,735.06 = 2,698.86/x
  3. Step 3: Cross multiply
    10,490.04x = 15,735.06 × 2,698.86
  4. Step 4: Simplify right side
    10,490.04x = 42,466,724.03
  5. Step 5: Solve for x
    x = 42,466,724.03/10,490.04
  6. Step 6: Final answer
    x = 4,048.29

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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.