Home / 4,657.18-6,420.27-3,330.40

Finding the Fourth Proportional to 4,657.18, 6,420.27 and 3,330.40

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Solution

The fourth proportional to 4,657.18, 6,420.27 and 3,330.40 is: 4,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.18 : 6,420.27 = 3,330.40 : x
  2. Step 2: Convert to fraction form
    4,657.18/6,420.27 = 3,330.40/x
  3. Step 3: Cross multiply
    4,657.18x = 6,420.27 × 3,330.40
  4. Step 4: Simplify right side
    4,657.18x = 21,382,067.21
  5. Step 5: Solve for x
    x = 21,382,067.21/4,657.18
  6. Step 6: Final answer
    x = 4,591.20

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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.