Home / 7,841.04-10,818.78-4,438.11

Finding the Fourth Proportional to 7,841.04, 10,818.78 and 4,438.11

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Solution

The fourth proportional to 7,841.04, 10,818.78 and 4,438.11 is: 6,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.04 : 10,818.78 = 4,438.11 : x
  2. Step 2: Convert to fraction form
    7,841.04/10,818.78 = 4,438.11/x
  3. Step 3: Cross multiply
    7,841.04x = 10,818.78 × 4,438.11
  4. Step 4: Simplify right side
    7,841.04x = 48,014,935.71
  5. Step 5: Solve for x
    x = 48,014,935.71/7,841.04
  6. Step 6: Final answer
    x = 6,123.54

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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.