Home / 6,721.67-10,075.18-6,411.18

Finding the Fourth Proportional to 6,721.67, 10,075.18 and 6,411.18

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Solution

The fourth proportional to 6,721.67, 10,075.18 and 6,411.18 is: 9,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.67 : 10,075.18 = 6,411.18 : x
  2. Step 2: Convert to fraction form
    6,721.67/10,075.18 = 6,411.18/x
  3. Step 3: Cross multiply
    6,721.67x = 10,075.18 × 6,411.18
  4. Step 4: Simplify right side
    6,721.67x = 64,593,792.51
  5. Step 5: Solve for x
    x = 64,593,792.51/6,721.67
  6. Step 6: Final answer
    x = 9,609.78

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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.