Home / 6,075.37-9,115.70-2,129.47

Finding the Fourth Proportional to 6,075.37, 9,115.70 and 2,129.47

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Solution

The fourth proportional to 6,075.37, 9,115.70 and 2,129.47 is: 3,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.37 : 9,115.70 = 2,129.47 : x
  2. Step 2: Convert to fraction form
    6,075.37/9,115.70 = 2,129.47/x
  3. Step 3: Cross multiply
    6,075.37x = 9,115.70 × 2,129.47
  4. Step 4: Simplify right side
    6,075.37x = 19,411,564.10
  5. Step 5: Solve for x
    x = 19,411,564.10/6,075.37
  6. Step 6: Final answer
    x = 3,195.12

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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.