Home / 5,383.39-8,075.07-1,487.77

Finding the Fourth Proportional to 5,383.39, 8,075.07 and 1,487.77

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Solution

The fourth proportional to 5,383.39, 8,075.07 and 1,487.77 is: 2,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.39 : 8,075.07 = 1,487.77 : x
  2. Step 2: Convert to fraction form
    5,383.39/8,075.07 = 1,487.77/x
  3. Step 3: Cross multiply
    5,383.39x = 8,075.07 × 1,487.77
  4. Step 4: Simplify right side
    5,383.39x = 12,013,846.89
  5. Step 5: Solve for x
    x = 12,013,846.89/5,383.39
  6. Step 6: Final answer
    x = 2,231.65

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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.