Home / 5,127.10-7,075.73-3,865.93

Finding the Fourth Proportional to 5,127.10, 7,075.73 and 3,865.93

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Solution

The fourth proportional to 5,127.10, 7,075.73 and 3,865.93 is: 5,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.10 : 7,075.73 = 3,865.93 : x
  2. Step 2: Convert to fraction form
    5,127.10/7,075.73 = 3,865.93/x
  3. Step 3: Cross multiply
    5,127.10x = 7,075.73 × 3,865.93
  4. Step 4: Simplify right side
    5,127.10x = 27,354,222.17
  5. Step 5: Solve for x
    x = 27,354,222.17/5,127.10
  6. Step 6: Final answer
    x = 5,335.23

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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.