Home / 7,014.98-10,522.70-1,820.85

Finding the Fourth Proportional to 7,014.98, 10,522.70 and 1,820.85

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Solution

The fourth proportional to 7,014.98, 10,522.70 and 1,820.85 is: 2,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.98 : 10,522.70 = 1,820.85 : x
  2. Step 2: Convert to fraction form
    7,014.98/10,522.70 = 1,820.85/x
  3. Step 3: Cross multiply
    7,014.98x = 10,522.70 × 1,820.85
  4. Step 4: Simplify right side
    7,014.98x = 19,160,249.19
  5. Step 5: Solve for x
    x = 19,160,249.19/7,014.98
  6. Step 6: Final answer
    x = 2,731.34

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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.