Home / 7,821.38-10,793.86-4,465.10

Finding the Fourth Proportional to 7,821.38, 10,793.86 and 4,465.10

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Solution

The fourth proportional to 7,821.38, 10,793.86 and 4,465.10 is: 6,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.38 : 10,793.86 = 4,465.10 : x
  2. Step 2: Convert to fraction form
    7,821.38/10,793.86 = 4,465.10/x
  3. Step 3: Cross multiply
    7,821.38x = 10,793.86 × 4,465.10
  4. Step 4: Simplify right side
    7,821.38x = 48,195,664.29
  5. Step 5: Solve for x
    x = 48,195,664.29/7,821.38
  6. Step 6: Final answer
    x = 6,162.04

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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.