Home / 5,480.02-8,220.48-1,781.29

Finding the Fourth Proportional to 5,480.02, 8,220.48 and 1,781.29

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Solution

The fourth proportional to 5,480.02, 8,220.48 and 1,781.29 is: 2,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.02 : 8,220.48 = 1,781.29 : x
  2. Step 2: Convert to fraction form
    5,480.02/8,220.48 = 1,781.29/x
  3. Step 3: Cross multiply
    5,480.02x = 8,220.48 × 1,781.29
  4. Step 4: Simplify right side
    5,480.02x = 14,643,058.82
  5. Step 5: Solve for x
    x = 14,643,058.82/5,480.02
  6. Step 6: Final answer
    x = 2,672.08

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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.