Home / 6,345.03-8,750.73-5,164.05

Finding the Fourth Proportional to 6,345.03, 8,750.73 and 5,164.05

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Solution

The fourth proportional to 6,345.03, 8,750.73 and 5,164.05 is: 7,121.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.03 : 8,750.73 = 5,164.05 : x
  2. Step 2: Convert to fraction form
    6,345.03/8,750.73 = 5,164.05/x
  3. Step 3: Cross multiply
    6,345.03x = 8,750.73 × 5,164.05
  4. Step 4: Simplify right side
    6,345.03x = 45,189,259.44
  5. Step 5: Solve for x
    x = 45,189,259.44/6,345.03
  6. Step 6: Final answer
    x = 7,121.99

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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.