Home / 4,327.47-6,485.58-3,145.47

Finding the Fourth Proportional to 4,327.47, 6,485.58 and 3,145.47

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Solution

The fourth proportional to 4,327.47, 6,485.58 and 3,145.47 is: 4,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.47 : 6,485.58 = 3,145.47 : x
  2. Step 2: Convert to fraction form
    4,327.47/6,485.58 = 3,145.47/x
  3. Step 3: Cross multiply
    4,327.47x = 6,485.58 × 3,145.47
  4. Step 4: Simplify right side
    4,327.47x = 20,400,197.32
  5. Step 5: Solve for x
    x = 20,400,197.32/4,327.47
  6. Step 6: Final answer
    x = 4,714.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.