Home / 4,281.45-6,422.57-1,161.63

Finding the Fourth Proportional to 4,281.45, 6,422.57 and 1,161.63

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Solution

The fourth proportional to 4,281.45, 6,422.57 and 1,161.63 is: 1,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.45 : 6,422.57 = 1,161.63 : x
  2. Step 2: Convert to fraction form
    4,281.45/6,422.57 = 1,161.63/x
  3. Step 3: Cross multiply
    4,281.45x = 6,422.57 × 1,161.63
  4. Step 4: Simplify right side
    4,281.45x = 7,460,649.99
  5. Step 5: Solve for x
    x = 7,460,649.99/4,281.45
  6. Step 6: Final answer
    x = 1,742.55

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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.