Home / 7,943.50-10,923.15-6,893.74

Finding the Fourth Proportional to 7,943.50, 10,923.15 and 6,893.74

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Solution

The fourth proportional to 7,943.50, 10,923.15 and 6,893.74 is: 9,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.50 : 10,923.15 = 6,893.74 : x
  2. Step 2: Convert to fraction form
    7,943.50/10,923.15 = 6,893.74/x
  3. Step 3: Cross multiply
    7,943.50x = 10,923.15 × 6,893.74
  4. Step 4: Simplify right side
    7,943.50x = 75,301,356.08
  5. Step 5: Solve for x
    x = 75,301,356.08/7,943.50
  6. Step 6: Final answer
    x = 9,479.62

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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.