Home / 7,370.66-11,055.99-4,290.50

Finding the Fourth Proportional to 7,370.66, 11,055.99 and 4,290.50

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Solution

The fourth proportional to 7,370.66, 11,055.99 and 4,290.50 is: 6,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.66 : 11,055.99 = 4,290.50 : x
  2. Step 2: Convert to fraction form
    7,370.66/11,055.99 = 4,290.50/x
  3. Step 3: Cross multiply
    7,370.66x = 11,055.99 × 4,290.50
  4. Step 4: Simplify right side
    7,370.66x = 47,435,725.10
  5. Step 5: Solve for x
    x = 47,435,725.10/7,370.66
  6. Step 6: Final answer
    x = 6,435.75

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Similar ratio
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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.