Home / 8,075.39-11,143.04-4,672.98

Finding the Fourth Proportional to 8,075.39, 11,143.04 and 4,672.98

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Solution

The fourth proportional to 8,075.39, 11,143.04 and 4,672.98 is: 6,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.39 : 11,143.04 = 4,672.98 : x
  2. Step 2: Convert to fraction form
    8,075.39/11,143.04 = 4,672.98/x
  3. Step 3: Cross multiply
    8,075.39x = 11,143.04 × 4,672.98
  4. Step 4: Simplify right side
    8,075.39x = 52,071,179.69
  5. Step 5: Solve for x
    x = 52,071,179.69/8,075.39
  6. Step 6: Final answer
    x = 6,448.14

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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.