Home / 7,219.67-9,963.06-4,075.99

Finding the Fourth Proportional to 7,219.67, 9,963.06 and 4,075.99

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Solution

The fourth proportional to 7,219.67, 9,963.06 and 4,075.99 is: 5,624.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.67 : 9,963.06 = 4,075.99 : x
  2. Step 2: Convert to fraction form
    7,219.67/9,963.06 = 4,075.99/x
  3. Step 3: Cross multiply
    7,219.67x = 9,963.06 × 4,075.99
  4. Step 4: Simplify right side
    7,219.67x = 40,609,332.93
  5. Step 5: Solve for x
    x = 40,609,332.93/7,219.67
  6. Step 6: Final answer
    x = 5,624.82

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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.