Home / 7,743.39-10,685.91-4,386.83

Finding the Fourth Proportional to 7,743.39, 10,685.91 and 4,386.83

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Solution

The fourth proportional to 7,743.39, 10,685.91 and 4,386.83 is: 6,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.39 : 10,685.91 = 4,386.83 : x
  2. Step 2: Convert to fraction form
    7,743.39/10,685.91 = 4,386.83/x
  3. Step 3: Cross multiply
    7,743.39x = 10,685.91 × 4,386.83
  4. Step 4: Simplify right side
    7,743.39x = 46,877,257.21
  5. Step 5: Solve for x
    x = 46,877,257.21/7,743.39
  6. Step 6: Final answer
    x = 6,053.84

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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.