Home / 4,345.44-6,507.18-3,120.72

Finding the Fourth Proportional to 4,345.44, 6,507.18 and 3,120.72

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Solution

The fourth proportional to 4,345.44, 6,507.18 and 3,120.72 is: 4,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.44 : 6,507.18 = 3,120.72 : x
  2. Step 2: Convert to fraction form
    4,345.44/6,507.18 = 3,120.72/x
  3. Step 3: Cross multiply
    4,345.44x = 6,507.18 × 3,120.72
  4. Step 4: Simplify right side
    4,345.44x = 20,307,086.77
  5. Step 5: Solve for x
    x = 20,307,086.77/4,345.44
  6. Step 6: Final answer
    x = 4,673.19

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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.