Home / 7,950.47-10,976.60-6,154.70

Finding the Fourth Proportional to 7,950.47, 10,976.60 and 6,154.70

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Solution

The fourth proportional to 7,950.47, 10,976.60 and 6,154.70 is: 8,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.47 : 10,976.60 = 6,154.70 : x
  2. Step 2: Convert to fraction form
    7,950.47/10,976.60 = 6,154.70/x
  3. Step 3: Cross multiply
    7,950.47x = 10,976.60 × 6,154.70
  4. Step 4: Simplify right side
    7,950.47x = 67,557,649.25
  5. Step 5: Solve for x
    x = 67,557,649.25/7,950.47
  6. Step 6: Final answer
    x = 8,497.32

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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.