Home / 7,818.50-10,790.66-4,834.15

Finding the Fourth Proportional to 7,818.50, 10,790.66 and 4,834.15

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Solution

The fourth proportional to 7,818.50, 10,790.66 and 4,834.15 is: 6,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.50 : 10,790.66 = 4,834.15 : x
  2. Step 2: Convert to fraction form
    7,818.50/10,790.66 = 4,834.15/x
  3. Step 3: Cross multiply
    7,818.50x = 10,790.66 × 4,834.15
  4. Step 4: Simplify right side
    7,818.50x = 52,163,669.04
  5. Step 5: Solve for x
    x = 52,163,669.04/7,818.50
  6. Step 6: Final answer
    x = 6,671.83

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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.