Home / 5,383.45-8,075.27-1,487.95

Finding the Fourth Proportional to 5,383.45, 8,075.27 and 1,487.95

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Solution

The fourth proportional to 5,383.45, 8,075.27 and 1,487.95 is: 2,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.45 : 8,075.27 = 1,487.95 : x
  2. Step 2: Convert to fraction form
    5,383.45/8,075.27 = 1,487.95/x
  3. Step 3: Cross multiply
    5,383.45x = 8,075.27 × 1,487.95
  4. Step 4: Simplify right side
    5,383.45x = 12,015,550.18
  5. Step 5: Solve for x
    x = 12,015,550.18/5,383.45
  6. Step 6: Final answer
    x = 2,231.94

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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.