Home / 7,618.48-11,427.60-2,424.28

Finding the Fourth Proportional to 7,618.48, 11,427.60 and 2,424.28

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Solution

The fourth proportional to 7,618.48, 11,427.60 and 2,424.28 is: 3,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.48 : 11,427.60 = 2,424.28 : x
  2. Step 2: Convert to fraction form
    7,618.48/11,427.60 = 2,424.28/x
  3. Step 3: Cross multiply
    7,618.48x = 11,427.60 × 2,424.28
  4. Step 4: Simplify right side
    7,618.48x = 27,703,702.13
  5. Step 5: Solve for x
    x = 27,703,702.13/7,618.48
  6. Step 6: Final answer
    x = 3,636.38

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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.