Home / 7,818.88-10,790.09-4,282.06

Finding the Fourth Proportional to 7,818.88, 10,790.09 and 4,282.06

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Solution

The fourth proportional to 7,818.88, 10,790.09 and 4,282.06 is: 5,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.88 : 10,790.09 = 4,282.06 : x
  2. Step 2: Convert to fraction form
    7,818.88/10,790.09 = 4,282.06/x
  3. Step 3: Cross multiply
    7,818.88x = 10,790.09 × 4,282.06
  4. Step 4: Simplify right side
    7,818.88x = 46,203,812.79
  5. Step 5: Solve for x
    x = 46,203,812.79/7,818.88
  6. Step 6: Final answer
    x = 5,909.26

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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.