Home / 7,448.09-10,258.65-5,553.60

Finding the Fourth Proportional to 7,448.09, 10,258.65 and 5,553.60

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Solution

The fourth proportional to 7,448.09, 10,258.65 and 5,553.60 is: 7,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.09 : 10,258.65 = 5,553.60 : x
  2. Step 2: Convert to fraction form
    7,448.09/10,258.65 = 5,553.60/x
  3. Step 3: Cross multiply
    7,448.09x = 10,258.65 × 5,553.60
  4. Step 4: Simplify right side
    7,448.09x = 56,972,400.17
  5. Step 5: Solve for x
    x = 56,972,400.17/7,448.09
  6. Step 6: Final answer
    x = 7,649.27

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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.