Home / 7,407.39-11,111.06-2,475.90

Finding the Fourth Proportional to 7,407.39, 11,111.06 and 2,475.90

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Solution

The fourth proportional to 7,407.39, 11,111.06 and 2,475.90 is: 3,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.39 : 11,111.06 = 2,475.90 : x
  2. Step 2: Convert to fraction form
    7,407.39/11,111.06 = 2,475.90/x
  3. Step 3: Cross multiply
    7,407.39x = 11,111.06 × 2,475.90
  4. Step 4: Simplify right side
    7,407.39x = 27,509,879.64
  5. Step 5: Solve for x
    x = 27,509,879.64/7,407.39
  6. Step 6: Final answer
    x = 3,713.84

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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.