Home / 8,150.69-11,248.65-4,615.04

Finding the Fourth Proportional to 8,150.69, 11,248.65 and 4,615.04

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Solution

The fourth proportional to 8,150.69, 11,248.65 and 4,615.04 is: 6,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.69 : 11,248.65 = 4,615.04 : x
  2. Step 2: Convert to fraction form
    8,150.69/11,248.65 = 4,615.04/x
  3. Step 3: Cross multiply
    8,150.69x = 11,248.65 × 4,615.04
  4. Step 4: Simplify right side
    8,150.69x = 51,912,913.45
  5. Step 5: Solve for x
    x = 51,912,913.45/8,150.69
  6. Step 6: Final answer
    x = 6,369.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.