Home / 5,999.72-8,281.87-5,157.02

Finding the Fourth Proportional to 5,999.72, 8,281.87 and 5,157.02

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Solution

The fourth proportional to 5,999.72, 8,281.87 and 5,157.02 is: 7,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.72 : 8,281.87 = 5,157.02 : x
  2. Step 2: Convert to fraction form
    5,999.72/8,281.87 = 5,157.02/x
  3. Step 3: Cross multiply
    5,999.72x = 8,281.87 × 5,157.02
  4. Step 4: Simplify right side
    5,999.72x = 42,709,777.04
  5. Step 5: Solve for x
    x = 42,709,777.04/5,999.72
  6. Step 6: Final answer
    x = 7,118.63

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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.