Home / 4,173.16-6,255.36-1,980.28

Finding the Fourth Proportional to 4,173.16, 6,255.36 and 1,980.28

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Solution

The fourth proportional to 4,173.16, 6,255.36 and 1,980.28 is: 2,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.16 : 6,255.36 = 1,980.28 : x
  2. Step 2: Convert to fraction form
    4,173.16/6,255.36 = 1,980.28/x
  3. Step 3: Cross multiply
    4,173.16x = 6,255.36 × 1,980.28
  4. Step 4: Simplify right side
    4,173.16x = 12,387,364.30
  5. Step 5: Solve for x
    x = 12,387,364.30/4,173.16
  6. Step 6: Final answer
    x = 2,968.34

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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.