Home / 5,126.64-7,075.17-2,888.37

Finding the Fourth Proportional to 5,126.64, 7,075.17 and 2,888.37

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Solution

The fourth proportional to 5,126.64, 7,075.17 and 2,888.37 is: 3,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.64 : 7,075.17 = 2,888.37 : x
  2. Step 2: Convert to fraction form
    5,126.64/7,075.17 = 2,888.37/x
  3. Step 3: Cross multiply
    5,126.64x = 7,075.17 × 2,888.37
  4. Step 4: Simplify right side
    5,126.64x = 20,435,708.77
  5. Step 5: Solve for x
    x = 20,435,708.77/5,126.64
  6. Step 6: Final answer
    x = 3,986.18

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1.5x scale

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.