Home / 4,745.14-7,118.88-1,970.98

Finding the Fourth Proportional to 4,745.14, 7,118.88 and 1,970.98

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Solution

The fourth proportional to 4,745.14, 7,118.88 and 1,970.98 is: 2,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.14 : 7,118.88 = 1,970.98 : x
  2. Step 2: Convert to fraction form
    4,745.14/7,118.88 = 1,970.98/x
  3. Step 3: Cross multiply
    4,745.14x = 7,118.88 × 1,970.98
  4. Step 4: Simplify right side
    4,745.14x = 14,031,170.10
  5. Step 5: Solve for x
    x = 14,031,170.10/4,745.14
  6. Step 6: Final answer
    x = 2,956.96

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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.