Home / 7,786.26-10,743.57-4,642.74

Finding the Fourth Proportional to 7,786.26, 10,743.57 and 4,642.74

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Solution

The fourth proportional to 7,786.26, 10,743.57 and 4,642.74 is: 6,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.26 : 10,743.57 = 4,642.74 : x
  2. Step 2: Convert to fraction form
    7,786.26/10,743.57 = 4,642.74/x
  3. Step 3: Cross multiply
    7,786.26x = 10,743.57 × 4,642.74
  4. Step 4: Simplify right side
    7,786.26x = 49,879,602.18
  5. Step 5: Solve for x
    x = 49,879,602.18/7,786.26
  6. Step 6: Final answer
    x = 6,406.11

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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.