Home / 6,237.60-9,343.80-3,890.40

Finding the Fourth Proportional to 6,237.60, 9,343.80 and 3,890.40

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Solution

The fourth proportional to 6,237.60, 9,343.80 and 3,890.40 is: 5,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.60 : 9,343.80 = 3,890.40 : x
  2. Step 2: Convert to fraction form
    6,237.60/9,343.80 = 3,890.40/x
  3. Step 3: Cross multiply
    6,237.60x = 9,343.80 × 3,890.40
  4. Step 4: Simplify right side
    6,237.60x = 36,351,119.52
  5. Step 5: Solve for x
    x = 36,351,119.52/6,237.60
  6. Step 6: Final answer
    x = 5,827.74

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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.