Home / 7,407.73-11,111.60-3,246.80

Finding the Fourth Proportional to 7,407.73, 11,111.60 and 3,246.80

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Solution

The fourth proportional to 7,407.73, 11,111.60 and 3,246.80 is: 4,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.73 : 11,111.60 = 3,246.80 : x
  2. Step 2: Convert to fraction form
    7,407.73/11,111.60 = 3,246.80/x
  3. Step 3: Cross multiply
    7,407.73x = 11,111.60 × 3,246.80
  4. Step 4: Simplify right side
    7,407.73x = 36,077,071.09
  5. Step 5: Solve for x
    x = 36,077,071.09/7,407.73
  6. Step 6: Final answer
    x = 4,870.19

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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.