Home / 4,741.52-7,111.74-1,279.04

Finding the Fourth Proportional to 4,741.52, 7,111.74 and 1,279.04

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Solution

The fourth proportional to 4,741.52, 7,111.74 and 1,279.04 is: 1,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.52 : 7,111.74 = 1,279.04 : x
  2. Step 2: Convert to fraction form
    4,741.52/7,111.74 = 1,279.04/x
  3. Step 3: Cross multiply
    4,741.52x = 7,111.74 × 1,279.04
  4. Step 4: Simplify right side
    4,741.52x = 9,096,199.93
  5. Step 5: Solve for x
    x = 9,096,199.93/4,741.52
  6. Step 6: Final answer
    x = 1,918.41

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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.