Home / 7,019.46-10,528.20-2,088.90

Finding the Fourth Proportional to 7,019.46, 10,528.20 and 2,088.90

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Solution

The fourth proportional to 7,019.46, 10,528.20 and 2,088.90 is: 3,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.46 : 10,528.20 = 2,088.90 : x
  2. Step 2: Convert to fraction form
    7,019.46/10,528.20 = 2,088.90/x
  3. Step 3: Cross multiply
    7,019.46x = 10,528.20 × 2,088.90
  4. Step 4: Simplify right side
    7,019.46x = 21,992,356.98
  5. Step 5: Solve for x
    x = 21,992,356.98/7,019.46
  6. Step 6: Final answer
    x = 3,133.06

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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.