Home / 6,148.08-9,219.60-3,970.80

Finding the Fourth Proportional to 6,148.08, 9,219.60 and 3,970.80

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Solution

The fourth proportional to 6,148.08, 9,219.60 and 3,970.80 is: 5,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.08 : 9,219.60 = 3,970.80 : x
  2. Step 2: Convert to fraction form
    6,148.08/9,219.60 = 3,970.80/x
  3. Step 3: Cross multiply
    6,148.08x = 9,219.60 × 3,970.80
  4. Step 4: Simplify right side
    6,148.08x = 36,609,187.68
  5. Step 5: Solve for x
    x = 36,609,187.68/6,148.08
  6. Step 6: Final answer
    x = 5,954.57

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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.