Home / 5,153.13-7,729.70-2,075.13

Finding the Fourth Proportional to 5,153.13, 7,729.70 and 2,075.13

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Solution

The fourth proportional to 5,153.13, 7,729.70 and 2,075.13 is: 3,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.13 : 7,729.70 = 2,075.13 : x
  2. Step 2: Convert to fraction form
    5,153.13/7,729.70 = 2,075.13/x
  3. Step 3: Cross multiply
    5,153.13x = 7,729.70 × 2,075.13
  4. Step 4: Simplify right side
    5,153.13x = 16,040,132.36
  5. Step 5: Solve for x
    x = 16,040,132.36/5,153.13
  6. Step 6: Final answer
    x = 3,112.70

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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.