Home / 6,345.74-8,760.15-4,224.80

Finding the Fourth Proportional to 6,345.74, 8,760.15 and 4,224.80

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Solution

The fourth proportional to 6,345.74, 8,760.15 and 4,224.80 is: 5,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.74 : 8,760.15 = 4,224.80 : x
  2. Step 2: Convert to fraction form
    6,345.74/8,760.15 = 4,224.80/x
  3. Step 3: Cross multiply
    6,345.74x = 8,760.15 × 4,224.80
  4. Step 4: Simplify right side
    6,345.74x = 37,009,837.92
  5. Step 5: Solve for x
    x = 37,009,837.92/6,345.74
  6. Step 6: Final answer
    x = 5,832.24

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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.