Home / 4,319.36-6,465.28-3,342.72

Finding the Fourth Proportional to 4,319.36, 6,465.28 and 3,342.72

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Solution

The fourth proportional to 4,319.36, 6,465.28 and 3,342.72 is: 5,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.36 : 6,465.28 = 3,342.72 : x
  2. Step 2: Convert to fraction form
    4,319.36/6,465.28 = 3,342.72/x
  3. Step 3: Cross multiply
    4,319.36x = 6,465.28 × 3,342.72
  4. Step 4: Simplify right side
    4,319.36x = 21,611,620.76
  5. Step 5: Solve for x
    x = 21,611,620.76/4,319.36
  6. Step 6: Final answer
    x = 5,003.43

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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.