Home / 6,322.72-8,725.40-3,670.64

Finding the Fourth Proportional to 6,322.72, 8,725.40 and 3,670.64

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Solution

The fourth proportional to 6,322.72, 8,725.40 and 3,670.64 is: 5,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.72 : 8,725.40 = 3,670.64 : x
  2. Step 2: Convert to fraction form
    6,322.72/8,725.40 = 3,670.64/x
  3. Step 3: Cross multiply
    6,322.72x = 8,725.40 × 3,670.64
  4. Step 4: Simplify right side
    6,322.72x = 32,027,802.26
  5. Step 5: Solve for x
    x = 32,027,802.26/6,322.72
  6. Step 6: Final answer
    x = 5,065.51

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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.