Home / 5,071.26-7,000.87-3,185.58

Finding the Fourth Proportional to 5,071.26, 7,000.87 and 3,185.58

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Solution

The fourth proportional to 5,071.26, 7,000.87 and 3,185.58 is: 4,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.26 : 7,000.87 = 3,185.58 : x
  2. Step 2: Convert to fraction form
    5,071.26/7,000.87 = 3,185.58/x
  3. Step 3: Cross multiply
    5,071.26x = 7,000.87 × 3,185.58
  4. Step 4: Simplify right side
    5,071.26x = 22,301,831.45
  5. Step 5: Solve for x
    x = 22,301,831.45/5,071.26
  6. Step 6: Final answer
    x = 4,397.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.