Home / 5,124.02-7,071.03-2,999.30

Finding the Fourth Proportional to 5,124.02, 7,071.03 and 2,999.30

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Solution

The fourth proportional to 5,124.02, 7,071.03 and 2,999.30 is: 4,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.02 : 7,071.03 = 2,999.30 : x
  2. Step 2: Convert to fraction form
    5,124.02/7,071.03 = 2,999.30/x
  3. Step 3: Cross multiply
    5,124.02x = 7,071.03 × 2,999.30
  4. Step 4: Simplify right side
    5,124.02x = 21,208,104.92
  5. Step 5: Solve for x
    x = 21,208,104.92/5,124.02
  6. Step 6: Final answer
    x = 4,138.96

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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.