Home / 5,812.34-8,020.97-3,159.69

Finding the Fourth Proportional to 5,812.34, 8,020.97 and 3,159.69

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Solution

The fourth proportional to 5,812.34, 8,020.97 and 3,159.69 is: 4,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.34 : 8,020.97 = 3,159.69 : x
  2. Step 2: Convert to fraction form
    5,812.34/8,020.97 = 3,159.69/x
  3. Step 3: Cross multiply
    5,812.34x = 8,020.97 × 3,159.69
  4. Step 4: Simplify right side
    5,812.34x = 25,343,762.90
  5. Step 5: Solve for x
    x = 25,343,762.90/5,812.34
  6. Step 6: Final answer
    x = 4,360.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.