Home / 7,743.28-10,685.95-4,386.57

Finding the Fourth Proportional to 7,743.28, 10,685.95 and 4,386.57

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Solution

The fourth proportional to 7,743.28, 10,685.95 and 4,386.57 is: 6,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.28 : 10,685.95 = 4,386.57 : x
  2. Step 2: Convert to fraction form
    7,743.28/10,685.95 = 4,386.57/x
  3. Step 3: Cross multiply
    7,743.28x = 10,685.95 × 4,386.57
  4. Step 4: Simplify right side
    7,743.28x = 46,874,614.26
  5. Step 5: Solve for x
    x = 46,874,614.26/7,743.28
  6. Step 6: Final answer
    x = 6,053.59

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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.