Home / 7,837.40-10,815.62-4,300.62

Finding the Fourth Proportional to 7,837.40, 10,815.62 and 4,300.62

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Solution

The fourth proportional to 7,837.40, 10,815.62 and 4,300.62 is: 5,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.40 : 10,815.62 = 4,300.62 : x
  2. Step 2: Convert to fraction form
    7,837.40/10,815.62 = 4,300.62/x
  3. Step 3: Cross multiply
    7,837.40x = 10,815.62 × 4,300.62
  4. Step 4: Simplify right side
    7,837.40x = 46,513,850.18
  5. Step 5: Solve for x
    x = 46,513,850.18/7,837.40
  6. Step 6: Final answer
    x = 5,934.86

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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.