Home / 7,837.56-10,815.39-4,654.46

Finding the Fourth Proportional to 7,837.56, 10,815.39 and 4,654.46

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Solution

The fourth proportional to 7,837.56, 10,815.39 and 4,654.46 is: 6,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.56 : 10,815.39 = 4,654.46 : x
  2. Step 2: Convert to fraction form
    7,837.56/10,815.39 = 4,654.46/x
  3. Step 3: Cross multiply
    7,837.56x = 10,815.39 × 4,654.46
  4. Step 4: Simplify right side
    7,837.56x = 50,339,827.18
  5. Step 5: Solve for x
    x = 50,339,827.18/7,837.56
  6. Step 6: Final answer
    x = 6,422.90

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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.