Home / 5,383.80-8,075.70-3,925.80

Finding the Fourth Proportional to 5,383.80, 8,075.70 and 3,925.80

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Solution

The fourth proportional to 5,383.80, 8,075.70 and 3,925.80 is: 5,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.80 : 8,075.70 = 3,925.80 : x
  2. Step 2: Convert to fraction form
    5,383.80/8,075.70 = 3,925.80/x
  3. Step 3: Cross multiply
    5,383.80x = 8,075.70 × 3,925.80
  4. Step 4: Simplify right side
    5,383.80x = 31,703,583.06
  5. Step 5: Solve for x
    x = 31,703,583.06/5,383.80
  6. Step 6: Final answer
    x = 5,888.70

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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.