Home / 7,619.62-10,513.38-4,823.50

Finding the Fourth Proportional to 7,619.62, 10,513.38 and 4,823.50

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Solution

The fourth proportional to 7,619.62, 10,513.38 and 4,823.50 is: 6,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.62 : 10,513.38 = 4,823.50 : x
  2. Step 2: Convert to fraction form
    7,619.62/10,513.38 = 4,823.50/x
  3. Step 3: Cross multiply
    7,619.62x = 10,513.38 × 4,823.50
  4. Step 4: Simplify right side
    7,619.62x = 50,711,288.43
  5. Step 5: Solve for x
    x = 50,711,288.43/7,619.62
  6. Step 6: Final answer
    x = 6,655.36

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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.