Home / 9,206.96-12,705.54-5,620.84

Finding the Fourth Proportional to 9,206.96, 12,705.54 and 5,620.84

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Solution

The fourth proportional to 9,206.96, 12,705.54 and 5,620.84 is: 7,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.96 : 12,705.54 = 5,620.84 : x
  2. Step 2: Convert to fraction form
    9,206.96/12,705.54 = 5,620.84/x
  3. Step 3: Cross multiply
    9,206.96x = 12,705.54 × 5,620.84
  4. Step 4: Simplify right side
    9,206.96x = 71,415,807.45
  5. Step 5: Solve for x
    x = 71,415,807.45/9,206.96
  6. Step 6: Final answer
    x = 7,756.72

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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.