Home / 6,721.69-10,075.06-5,072.89

Finding the Fourth Proportional to 6,721.69, 10,075.06 and 5,072.89

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Solution

The fourth proportional to 6,721.69, 10,075.06 and 5,072.89 is: 7,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.69 : 10,075.06 = 5,072.89 : x
  2. Step 2: Convert to fraction form
    6,721.69/10,075.06 = 5,072.89/x
  3. Step 3: Cross multiply
    6,721.69x = 10,075.06 × 5,072.89
  4. Step 4: Simplify right side
    6,721.69x = 51,109,671.12
  5. Step 5: Solve for x
    x = 51,109,671.12/6,721.69
  6. Step 6: Final answer
    x = 7,603.69

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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.