Home / 4,233.48-6,339.28-2,921.28

Finding the Fourth Proportional to 4,233.48, 6,339.28 and 2,921.28

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Solution

The fourth proportional to 4,233.48, 6,339.28 and 2,921.28 is: 4,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,233.48 : 6,339.28 = 2,921.28 : x
  2. Step 2: Convert to fraction form
    4,233.48/6,339.28 = 2,921.28/x
  3. Step 3: Cross multiply
    4,233.48x = 6,339.28 × 2,921.28
  4. Step 4: Simplify right side
    4,233.48x = 18,518,811.88
  5. Step 5: Solve for x
    x = 18,518,811.88/4,233.48
  6. Step 6: Final answer
    x = 4,374.37

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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.