Home / 7,783.11-10,740.80-4,246.31

Finding the Fourth Proportional to 7,783.11, 10,740.80 and 4,246.31

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Solution

The fourth proportional to 7,783.11, 10,740.80 and 4,246.31 is: 5,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.11 : 10,740.80 = 4,246.31 : x
  2. Step 2: Convert to fraction form
    7,783.11/10,740.80 = 4,246.31/x
  3. Step 3: Cross multiply
    7,783.11x = 10,740.80 × 4,246.31
  4. Step 4: Simplify right side
    7,783.11x = 45,608,803.92
  5. Step 5: Solve for x
    x = 45,608,803.92/7,783.11
  6. Step 6: Final answer
    x = 5,859.97

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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.