Home / 4,390.20-6,054.84-3,195.18

Finding the Fourth Proportional to 4,390.20, 6,054.84 and 3,195.18

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Solution

The fourth proportional to 4,390.20, 6,054.84 and 3,195.18 is: 4,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.20 : 6,054.84 = 3,195.18 : x
  2. Step 2: Convert to fraction form
    4,390.20/6,054.84 = 3,195.18/x
  3. Step 3: Cross multiply
    4,390.20x = 6,054.84 × 3,195.18
  4. Step 4: Simplify right side
    4,390.20x = 19,346,303.67
  5. Step 5: Solve for x
    x = 19,346,303.67/4,390.20
  6. Step 6: Final answer
    x = 4,406.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.