Home / 7,019.40-10,529.05-1,754.38

Finding the Fourth Proportional to 7,019.40, 10,529.05 and 1,754.38

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Solution

The fourth proportional to 7,019.40, 10,529.05 and 1,754.38 is: 2,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.40 : 10,529.05 = 1,754.38 : x
  2. Step 2: Convert to fraction form
    7,019.40/10,529.05 = 1,754.38/x
  3. Step 3: Cross multiply
    7,019.40x = 10,529.05 × 1,754.38
  4. Step 4: Simplify right side
    7,019.40x = 18,471,941.58
  5. Step 5: Solve for x
    x = 18,471,941.58/7,019.40
  6. Step 6: Final answer
    x = 2,631.56

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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.