Home / 7,837.34-10,815.84-4,480.70

Finding the Fourth Proportional to 7,837.34, 10,815.84 and 4,480.70

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Solution

The fourth proportional to 7,837.34, 10,815.84 and 4,480.70 is: 6,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.34 : 10,815.84 = 4,480.70 : x
  2. Step 2: Convert to fraction form
    7,837.34/10,815.84 = 4,480.70/x
  3. Step 3: Cross multiply
    7,837.34x = 10,815.84 × 4,480.70
  4. Step 4: Simplify right side
    7,837.34x = 48,462,534.29
  5. Step 5: Solve for x
    x = 48,462,534.29/7,837.34
  6. Step 6: Final answer
    x = 6,183.54

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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.