Home / 5,430.08-8,145.66-1,731.43

Finding the Fourth Proportional to 5,430.08, 8,145.66 and 1,731.43

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Solution

The fourth proportional to 5,430.08, 8,145.66 and 1,731.43 is: 2,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.08 : 8,145.66 = 1,731.43 : x
  2. Step 2: Convert to fraction form
    5,430.08/8,145.66 = 1,731.43/x
  3. Step 3: Cross multiply
    5,430.08x = 8,145.66 × 1,731.43
  4. Step 4: Simplify right side
    5,430.08x = 14,103,662.50
  5. Step 5: Solve for x
    x = 14,103,662.50/5,430.08
  6. Step 6: Final answer
    x = 2,597.32

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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.