Home / 5,430.57-8,144.12-1,731.93

Finding the Fourth Proportional to 5,430.57, 8,144.12 and 1,731.93

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Solution

The fourth proportional to 5,430.57, 8,144.12 and 1,731.93 is: 2,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.57 : 8,144.12 = 1,731.93 : x
  2. Step 2: Convert to fraction form
    5,430.57/8,144.12 = 1,731.93/x
  3. Step 3: Cross multiply
    5,430.57x = 8,144.12 × 1,731.93
  4. Step 4: Simplify right side
    5,430.57x = 14,105,050.08
  5. Step 5: Solve for x
    x = 14,105,050.08/5,430.57
  6. Step 6: Final answer
    x = 2,597.34

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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.