Home / 8,705.49-13,050.14-3,157.34

Finding the Fourth Proportional to 8,705.49, 13,050.14 and 3,157.34

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Solution

The fourth proportional to 8,705.49, 13,050.14 and 3,157.34 is: 4,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705.49 : 13,050.14 = 3,157.34 : x
  2. Step 2: Convert to fraction form
    8,705.49/13,050.14 = 3,157.34/x
  3. Step 3: Cross multiply
    8,705.49x = 13,050.14 × 3,157.34
  4. Step 4: Simplify right side
    8,705.49x = 41,203,729.03
  5. Step 5: Solve for x
    x = 41,203,729.03/8,705.49
  6. Step 6: Final answer
    x = 4,733.07

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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.