Home / 6,075.51-9,115.94-2,129.61

Finding the Fourth Proportional to 6,075.51, 9,115.94 and 2,129.61

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Solution

The fourth proportional to 6,075.51, 9,115.94 and 2,129.61 is: 3,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.51 : 9,115.94 = 2,129.61 : x
  2. Step 2: Convert to fraction form
    6,075.51/9,115.94 = 2,129.61/x
  3. Step 3: Cross multiply
    6,075.51x = 9,115.94 × 2,129.61
  4. Step 4: Simplify right side
    6,075.51x = 19,413,386.34
  5. Step 5: Solve for x
    x = 19,413,386.34/6,075.51
  6. Step 6: Final answer
    x = 3,195.35

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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.