Home / 7,988.15-11,022.35-4,800.68

Finding the Fourth Proportional to 7,988.15, 11,022.35 and 4,800.68

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Solution

The fourth proportional to 7,988.15, 11,022.35 and 4,800.68 is: 6,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.15 : 11,022.35 = 4,800.68 : x
  2. Step 2: Convert to fraction form
    7,988.15/11,022.35 = 4,800.68/x
  3. Step 3: Cross multiply
    7,988.15x = 11,022.35 × 4,800.68
  4. Step 4: Simplify right side
    7,988.15x = 52,914,768.39
  5. Step 5: Solve for x
    x = 52,914,768.39/7,988.15
  6. Step 6: Final answer
    x = 6,624.16

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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.