Home / 7,818.93-10,790.42-4,282.07

Finding the Fourth Proportional to 7,818.93, 10,790.42 and 4,282.07

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Solution

The fourth proportional to 7,818.93, 10,790.42 and 4,282.07 is: 5,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.93 : 10,790.42 = 4,282.07 : x
  2. Step 2: Convert to fraction form
    7,818.93/10,790.42 = 4,282.07/x
  3. Step 3: Cross multiply
    7,818.93x = 10,790.42 × 4,282.07
  4. Step 4: Simplify right side
    7,818.93x = 46,205,258.41
  5. Step 5: Solve for x
    x = 46,205,258.41/7,818.93
  6. Step 6: Final answer
    x = 5,909.41

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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.