Home / 5,383.41-8,075.17-1,434.64

Finding the Fourth Proportional to 5,383.41, 8,075.17 and 1,434.64

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Solution

The fourth proportional to 5,383.41, 8,075.17 and 1,434.64 is: 2,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.41 : 8,075.17 = 1,434.64 : x
  2. Step 2: Convert to fraction form
    5,383.41/8,075.17 = 1,434.64/x
  3. Step 3: Cross multiply
    5,383.41x = 8,075.17 × 1,434.64
  4. Step 4: Simplify right side
    5,383.41x = 11,584,961.89
  5. Step 5: Solve for x
    x = 11,584,961.89/5,383.41
  6. Step 6: Final answer
    x = 2,151.98

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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.