Home / 4,300.35-6,450.52-1,378.88

Finding the Fourth Proportional to 4,300.35, 6,450.52 and 1,378.88

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Solution

The fourth proportional to 4,300.35, 6,450.52 and 1,378.88 is: 2,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.35 : 6,450.52 = 1,378.88 : x
  2. Step 2: Convert to fraction form
    4,300.35/6,450.52 = 1,378.88/x
  3. Step 3: Cross multiply
    4,300.35x = 6,450.52 × 1,378.88
  4. Step 4: Simplify right side
    4,300.35x = 8,894,493.02
  5. Step 5: Solve for x
    x = 8,894,493.02/4,300.35
  6. Step 6: Final answer
    x = 2,068.32

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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.