Home / 5,071.56-7,000.77-3,182.64

Finding the Fourth Proportional to 5,071.56, 7,000.77 and 3,182.64

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Solution

The fourth proportional to 5,071.56, 7,000.77 and 3,182.64 is: 4,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.56 : 7,000.77 = 3,182.64 : x
  2. Step 2: Convert to fraction form
    5,071.56/7,000.77 = 3,182.64/x
  3. Step 3: Cross multiply
    5,071.56x = 7,000.77 × 3,182.64
  4. Step 4: Simplify right side
    5,071.56x = 22,280,930.63
  5. Step 5: Solve for x
    x = 22,280,930.63/5,071.56
  6. Step 6: Final answer
    x = 4,393.31

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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.