Home / 7,743.44-10,681.80-5,381.48

Finding the Fourth Proportional to 7,743.44, 10,681.80 and 5,381.48

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Solution

The fourth proportional to 7,743.44, 10,681.80 and 5,381.48 is: 7,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.44 : 10,681.80 = 5,381.48 : x
  2. Step 2: Convert to fraction form
    7,743.44/10,681.80 = 5,381.48/x
  3. Step 3: Cross multiply
    7,743.44x = 10,681.80 × 5,381.48
  4. Step 4: Simplify right side
    7,743.44x = 57,483,893.06
  5. Step 5: Solve for x
    x = 57,483,893.06/7,743.44
  6. Step 6: Final answer
    x = 7,423.56

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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.