Home / 7,846.25-10,836.32-4,869.18

Finding the Fourth Proportional to 7,846.25, 10,836.32 and 4,869.18

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Solution

The fourth proportional to 7,846.25, 10,836.32 and 4,869.18 is: 6,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.25 : 10,836.32 = 4,869.18 : x
  2. Step 2: Convert to fraction form
    7,846.25/10,836.32 = 4,869.18/x
  3. Step 3: Cross multiply
    7,846.25x = 10,836.32 × 4,869.18
  4. Step 4: Simplify right side
    7,846.25x = 52,763,968.27
  5. Step 5: Solve for x
    x = 52,763,968.27/7,846.25
  6. Step 6: Final answer
    x = 6,724.74

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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.