Home / 7,019.21-10,528.82-2,088.89

Finding the Fourth Proportional to 7,019.21, 10,528.82 and 2,088.89

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Solution

The fourth proportional to 7,019.21, 10,528.82 and 2,088.89 is: 3,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.21 : 10,528.82 = 2,088.89 : x
  2. Step 2: Convert to fraction form
    7,019.21/10,528.82 = 2,088.89/x
  3. Step 3: Cross multiply
    7,019.21x = 10,528.82 × 2,088.89
  4. Step 4: Simplify right side
    7,019.21x = 21,993,483.72
  5. Step 5: Solve for x
    x = 21,993,483.72/7,019.21
  6. Step 6: Final answer
    x = 3,133.33

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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.