Home / 7,019.28-10,528.08-1,825.02

Finding the Fourth Proportional to 7,019.28, 10,528.08 and 1,825.02

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Solution

The fourth proportional to 7,019.28, 10,528.08 and 1,825.02 is: 2,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.28 : 10,528.08 = 1,825.02 : x
  2. Step 2: Convert to fraction form
    7,019.28/10,528.08 = 1,825.02/x
  3. Step 3: Cross multiply
    7,019.28x = 10,528.08 × 1,825.02
  4. Step 4: Simplify right side
    7,019.28x = 19,213,956.56
  5. Step 5: Solve for x
    x = 19,213,956.56/7,019.28
  6. Step 6: Final answer
    x = 2,737.31

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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.