Home / 4,235.50-6,365.40-4,211.20

Finding the Fourth Proportional to 4,235.50, 6,365.40 and 4,211.20

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Solution

The fourth proportional to 4,235.50, 6,365.40 and 4,211.20 is: 6,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.50 : 6,365.40 = 4,211.20 : x
  2. Step 2: Convert to fraction form
    4,235.50/6,365.40 = 4,211.20/x
  3. Step 3: Cross multiply
    4,235.50x = 6,365.40 × 4,211.20
  4. Step 4: Simplify right side
    4,235.50x = 26,805,972.48
  5. Step 5: Solve for x
    x = 26,805,972.48/4,235.50
  6. Step 6: Final answer
    x = 6,328.88

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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.