Home / 4,303.28-6,453.54-1,380.88

Finding the Fourth Proportional to 4,303.28, 6,453.54 and 1,380.88

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Solution

The fourth proportional to 4,303.28, 6,453.54 and 1,380.88 is: 2,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,303.28 : 6,453.54 = 1,380.88 : x
  2. Step 2: Convert to fraction form
    4,303.28/6,453.54 = 1,380.88/x
  3. Step 3: Cross multiply
    4,303.28x = 6,453.54 × 1,380.88
  4. Step 4: Simplify right side
    4,303.28x = 8,911,564.32
  5. Step 5: Solve for x
    x = 8,911,564.32/4,303.28
  6. Step 6: Final answer
    x = 2,070.88

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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.