Home / 6,240.30-9,397.37-5,428.38

Finding the Fourth Proportional to 6,240.30, 9,397.37 and 5,428.38

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Solution

The fourth proportional to 6,240.30, 9,397.37 and 5,428.38 is: 8,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.30 : 9,397.37 = 5,428.38 : x
  2. Step 2: Convert to fraction form
    6,240.30/9,397.37 = 5,428.38/x
  3. Step 3: Cross multiply
    6,240.30x = 9,397.37 × 5,428.38
  4. Step 4: Simplify right side
    6,240.30x = 51,012,495.36
  5. Step 5: Solve for x
    x = 51,012,495.36/6,240.30
  6. Step 6: Final answer
    x = 8,174.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.