Home / 4,345.16-6,516.37-1,422.80

Finding the Fourth Proportional to 4,345.16, 6,516.37 and 1,422.80

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Solution

The fourth proportional to 4,345.16, 6,516.37 and 1,422.80 is: 2,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.16 : 6,516.37 = 1,422.80 : x
  2. Step 2: Convert to fraction form
    4,345.16/6,516.37 = 1,422.80/x
  3. Step 3: Cross multiply
    4,345.16x = 6,516.37 × 1,422.80
  4. Step 4: Simplify right side
    4,345.16x = 9,271,451.54
  5. Step 5: Solve for x
    x = 9,271,451.54/4,345.16
  6. Step 6: Final answer
    x = 2,133.74

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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.