Home / 4,345.34-6,513.12-2,155.64

Finding the Fourth Proportional to 4,345.34, 6,513.12 and 2,155.64

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Solution

The fourth proportional to 4,345.34, 6,513.12 and 2,155.64 is: 3,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.34 : 6,513.12 = 2,155.64 : x
  2. Step 2: Convert to fraction form
    4,345.34/6,513.12 = 2,155.64/x
  3. Step 3: Cross multiply
    4,345.34x = 6,513.12 × 2,155.64
  4. Step 4: Simplify right side
    4,345.34x = 14,039,942.00
  5. Step 5: Solve for x
    x = 14,039,942.00/4,345.34
  6. Step 6: Final answer
    x = 3,231.03

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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.