Home / 5,491.85-8,242.21-2,860.16

Finding the Fourth Proportional to 5,491.85, 8,242.21 and 2,860.16

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Solution

The fourth proportional to 5,491.85, 8,242.21 and 2,860.16 is: 4,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.85 : 8,242.21 = 2,860.16 : x
  2. Step 2: Convert to fraction form
    5,491.85/8,242.21 = 2,860.16/x
  3. Step 3: Cross multiply
    5,491.85x = 8,242.21 × 2,860.16
  4. Step 4: Simplify right side
    5,491.85x = 23,574,031.99
  5. Step 5: Solve for x
    x = 23,574,031.99/5,491.85
  6. Step 6: Final answer
    x = 4,292.55

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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.