Home / 6,142.02-9,210.10-2,809.28

Finding the Fourth Proportional to 6,142.02, 9,210.10 and 2,809.28

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Solution

The fourth proportional to 6,142.02, 9,210.10 and 2,809.28 is: 4,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.02 : 9,210.10 = 2,809.28 : x
  2. Step 2: Convert to fraction form
    6,142.02/9,210.10 = 2,809.28/x
  3. Step 3: Cross multiply
    6,142.02x = 9,210.10 × 2,809.28
  4. Step 4: Simplify right side
    6,142.02x = 25,873,749.73
  5. Step 5: Solve for x
    x = 25,873,749.73/6,142.02
  6. Step 6: Final answer
    x = 4,212.58

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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.