Home / 7,005.82-10,508.91-2,075.53

Finding the Fourth Proportional to 7,005.82, 10,508.91 and 2,075.53

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Solution

The fourth proportional to 7,005.82, 10,508.91 and 2,075.53 is: 3,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.82 : 10,508.91 = 2,075.53 : x
  2. Step 2: Convert to fraction form
    7,005.82/10,508.91 = 2,075.53/x
  3. Step 3: Cross multiply
    7,005.82x = 10,508.91 × 2,075.53
  4. Step 4: Simplify right side
    7,005.82x = 21,811,557.97
  5. Step 5: Solve for x
    x = 21,811,557.97/7,005.82
  6. Step 6: Final answer
    x = 3,113.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.