Home / 7,818.33-10,790.01-4,282.05

Finding the Fourth Proportional to 7,818.33, 10,790.01 and 4,282.05

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Solution

The fourth proportional to 7,818.33, 10,790.01 and 4,282.05 is: 5,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.33 : 10,790.01 = 4,282.05 : x
  2. Step 2: Convert to fraction form
    7,818.33/10,790.01 = 4,282.05/x
  3. Step 3: Cross multiply
    7,818.33x = 10,790.01 × 4,282.05
  4. Step 4: Simplify right side
    7,818.33x = 46,203,362.32
  5. Step 5: Solve for x
    x = 46,203,362.32/7,818.33
  6. Step 6: Final answer
    x = 5,909.62

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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.