Home / 7,126.16-10,681.44-3,663.60

Finding the Fourth Proportional to 7,126.16, 10,681.44 and 3,663.60

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Solution

The fourth proportional to 7,126.16, 10,681.44 and 3,663.60 is: 5,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.16 : 10,681.44 = 3,663.60 : x
  2. Step 2: Convert to fraction form
    7,126.16/10,681.44 = 3,663.60/x
  3. Step 3: Cross multiply
    7,126.16x = 10,681.44 × 3,663.60
  4. Step 4: Simplify right side
    7,126.16x = 39,132,523.58
  5. Step 5: Solve for x
    x = 39,132,523.58/7,126.16
  6. Step 6: Final answer
    x = 5,491.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.