Home / 7,370.87-11,004.66-6,478.20

Finding the Fourth Proportional to 7,370.87, 11,004.66 and 6,478.20

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Solution

The fourth proportional to 7,370.87, 11,004.66 and 6,478.20 is: 9,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.87 : 11,004.66 = 6,478.20 : x
  2. Step 2: Convert to fraction form
    7,370.87/11,004.66 = 6,478.20/x
  3. Step 3: Cross multiply
    7,370.87x = 11,004.66 × 6,478.20
  4. Step 4: Simplify right side
    7,370.87x = 71,290,388.41
  5. Step 5: Solve for x
    x = 71,290,388.41/7,370.87
  6. Step 6: Final answer
    x = 9,671.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.