Home / 4,287.63-6,426.57-1,820.91

Finding the Fourth Proportional to 4,287.63, 6,426.57 and 1,820.91

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Solution

The fourth proportional to 4,287.63, 6,426.57 and 1,820.91 is: 2,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.63 : 6,426.57 = 1,820.91 : x
  2. Step 2: Convert to fraction form
    4,287.63/6,426.57 = 1,820.91/x
  3. Step 3: Cross multiply
    4,287.63x = 6,426.57 × 1,820.91
  4. Step 4: Simplify right side
    4,287.63x = 11,702,205.58
  5. Step 5: Solve for x
    x = 11,702,205.58/4,287.63
  6. Step 6: Final answer
    x = 2,729.29

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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.