Home / 5,417.02-8,122.20-2,126.26

Finding the Fourth Proportional to 5,417.02, 8,122.20 and 2,126.26

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Solution

The fourth proportional to 5,417.02, 8,122.20 and 2,126.26 is: 3,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.02 : 8,122.20 = 2,126.26 : x
  2. Step 2: Convert to fraction form
    5,417.02/8,122.20 = 2,126.26/x
  3. Step 3: Cross multiply
    5,417.02x = 8,122.20 × 2,126.26
  4. Step 4: Simplify right side
    5,417.02x = 17,269,908.97
  5. Step 5: Solve for x
    x = 17,269,908.97/5,417.02
  6. Step 6: Final answer
    x = 3,188.08

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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.