Home / 9,212.60-12,713.46-5,020.84

Finding the Fourth Proportional to 9,212.60, 12,713.46 and 5,020.84

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Solution

The fourth proportional to 9,212.60, 12,713.46 and 5,020.84 is: 6,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.60 : 12,713.46 = 5,020.84 : x
  2. Step 2: Convert to fraction form
    9,212.60/12,713.46 = 5,020.84/x
  3. Step 3: Cross multiply
    9,212.60x = 12,713.46 × 5,020.84
  4. Step 4: Simplify right side
    9,212.60x = 63,832,248.51
  5. Step 5: Solve for x
    x = 63,832,248.51/9,212.60
  6. Step 6: Final answer
    x = 6,928.80

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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.