Home / 7,261.85-10,021.44-4,075.83

Finding the Fourth Proportional to 7,261.85, 10,021.44 and 4,075.83

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Solution

The fourth proportional to 7,261.85, 10,021.44 and 4,075.83 is: 5,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.85 : 10,021.44 = 4,075.83 : x
  2. Step 2: Convert to fraction form
    7,261.85/10,021.44 = 4,075.83/x
  3. Step 3: Cross multiply
    7,261.85x = 10,021.44 × 4,075.83
  4. Step 4: Simplify right side
    7,261.85x = 40,845,713.74
  5. Step 5: Solve for x
    x = 40,845,713.74/7,261.85
  6. Step 6: Final answer
    x = 5,624.70

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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.