Home / 5,649.08-7,778.32-5,018.51

Finding the Fourth Proportional to 5,649.08, 7,778.32 and 5,018.51

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Solution

The fourth proportional to 5,649.08, 7,778.32 and 5,018.51 is: 6,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.08 : 7,778.32 = 5,018.51 : x
  2. Step 2: Convert to fraction form
    5,649.08/7,778.32 = 5,018.51/x
  3. Step 3: Cross multiply
    5,649.08x = 7,778.32 × 5,018.51
  4. Step 4: Simplify right side
    5,649.08x = 39,035,583.60
  5. Step 5: Solve for x
    x = 39,035,583.60/5,649.08
  6. Step 6: Final answer
    x = 6,910.08

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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.