Home / 7,019.31-10,528.99-1,825.19

Finding the Fourth Proportional to 7,019.31, 10,528.99 and 1,825.19

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Solution

The fourth proportional to 7,019.31, 10,528.99 and 1,825.19 is: 2,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.31 : 10,528.99 = 1,825.19 : x
  2. Step 2: Convert to fraction form
    7,019.31/10,528.99 = 1,825.19/x
  3. Step 3: Cross multiply
    7,019.31x = 10,528.99 × 1,825.19
  4. Step 4: Simplify right side
    7,019.31x = 19,217,389.53
  5. Step 5: Solve for x
    x = 19,217,389.53/7,019.31
  6. Step 6: Final answer
    x = 2,737.79

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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.