Home / 5,538.47-8,307.71-5,399.06

Finding the Fourth Proportional to 5,538.47, 8,307.71 and 5,399.06

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Solution

The fourth proportional to 5,538.47, 8,307.71 and 5,399.06 is: 8,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.47 : 8,307.71 = 5,399.06 : x
  2. Step 2: Convert to fraction form
    5,538.47/8,307.71 = 5,399.06/x
  3. Step 3: Cross multiply
    5,538.47x = 8,307.71 × 5,399.06
  4. Step 4: Simplify right side
    5,538.47x = 44,853,756.22
  5. Step 5: Solve for x
    x = 44,853,756.22/5,538.47
  6. Step 6: Final answer
    x = 8,098.59

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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.