Home / 4,274.58-6,403.56-2,809.28

Finding the Fourth Proportional to 4,274.58, 6,403.56 and 2,809.28

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Solution

The fourth proportional to 4,274.58, 6,403.56 and 2,809.28 is: 4,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.58 : 6,403.56 = 2,809.28 : x
  2. Step 2: Convert to fraction form
    4,274.58/6,403.56 = 2,809.28/x
  3. Step 3: Cross multiply
    4,274.58x = 6,403.56 × 2,809.28
  4. Step 4: Simplify right side
    4,274.58x = 17,989,393.04
  5. Step 5: Solve for x
    x = 17,989,393.04/4,274.58
  6. Step 6: Final answer
    x = 4,208.46

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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.