Home / 4,359.80-6,539.70-4,286.90

Finding the Fourth Proportional to 4,359.80, 6,539.70 and 4,286.90

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Solution

The fourth proportional to 4,359.80, 6,539.70 and 4,286.90 is: 6,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,359.80 : 6,539.70 = 4,286.90 : x
  2. Step 2: Convert to fraction form
    4,359.80/6,539.70 = 4,286.90/x
  3. Step 3: Cross multiply
    4,359.80x = 6,539.70 × 4,286.90
  4. Step 4: Simplify right side
    4,359.80x = 28,035,039.93
  5. Step 5: Solve for x
    x = 28,035,039.93/4,359.80
  6. Step 6: Final answer
    x = 6,430.35

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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.