Home / 8,902.98-12,286.56-5,126.68

Finding the Fourth Proportional to 8,902.98, 12,286.56 and 5,126.68

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Solution

The fourth proportional to 8,902.98, 12,286.56 and 5,126.68 is: 7,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.98 : 12,286.56 = 5,126.68 : x
  2. Step 2: Convert to fraction form
    8,902.98/12,286.56 = 5,126.68/x
  3. Step 3: Cross multiply
    8,902.98x = 12,286.56 × 5,126.68
  4. Step 4: Simplify right side
    8,902.98x = 62,989,261.42
  5. Step 5: Solve for x
    x = 62,989,261.42/8,902.98
  6. Step 6: Final answer
    x = 7,075.08

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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.