Home / 6,303.20-9,454.84-1,920.64

Finding the Fourth Proportional to 6,303.20, 9,454.84 and 1,920.64

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Solution

The fourth proportional to 6,303.20, 9,454.84 and 1,920.64 is: 2,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.20 : 9,454.84 = 1,920.64 : x
  2. Step 2: Convert to fraction form
    6,303.20/9,454.84 = 1,920.64/x
  3. Step 3: Cross multiply
    6,303.20x = 9,454.84 × 1,920.64
  4. Step 4: Simplify right side
    6,303.20x = 18,159,343.90
  5. Step 5: Solve for x
    x = 18,159,343.90/6,303.20
  6. Step 6: Final answer
    x = 2,880.97

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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.