Home / 5,127.84-7,075.08-3,031.02

Finding the Fourth Proportional to 5,127.84, 7,075.08 and 3,031.02

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Solution

The fourth proportional to 5,127.84, 7,075.08 and 3,031.02 is: 4,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.84 : 7,075.08 = 3,031.02 : x
  2. Step 2: Convert to fraction form
    5,127.84/7,075.08 = 3,031.02/x
  3. Step 3: Cross multiply
    5,127.84x = 7,075.08 × 3,031.02
  4. Step 4: Simplify right side
    5,127.84x = 21,444,708.98
  5. Step 5: Solve for x
    x = 21,444,708.98/5,127.84
  6. Step 6: Final answer
    x = 4,182.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.