Home / 5,079.16-7,609.02-4,090.96

Finding the Fourth Proportional to 5,079.16, 7,609.02 and 4,090.96

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Solution

The fourth proportional to 5,079.16, 7,609.02 and 4,090.96 is: 6,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.16 : 7,609.02 = 4,090.96 : x
  2. Step 2: Convert to fraction form
    5,079.16/7,609.02 = 4,090.96/x
  3. Step 3: Cross multiply
    5,079.16x = 7,609.02 × 4,090.96
  4. Step 4: Simplify right side
    5,079.16x = 31,128,196.46
  5. Step 5: Solve for x
    x = 31,128,196.46/5,079.16
  6. Step 6: Final answer
    x = 6,128.61

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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.