Home / 7,075.89-10,613.82-1,881.76

Finding the Fourth Proportional to 7,075.89, 10,613.82 and 1,881.76

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Solution

The fourth proportional to 7,075.89, 10,613.82 and 1,881.76 is: 2,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.89 : 10,613.82 = 1,881.76 : x
  2. Step 2: Convert to fraction form
    7,075.89/10,613.82 = 1,881.76/x
  3. Step 3: Cross multiply
    7,075.89x = 10,613.82 × 1,881.76
  4. Step 4: Simplify right side
    7,075.89x = 19,972,661.92
  5. Step 5: Solve for x
    x = 19,972,661.92/7,075.89
  6. Step 6: Final answer
    x = 2,822.64

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Similar ratio
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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.