Home / 7,019.61-10,529.38-2,858.64

Finding the Fourth Proportional to 7,019.61, 10,529.38 and 2,858.64

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Solution

The fourth proportional to 7,019.61, 10,529.38 and 2,858.64 is: 4,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.61 : 10,529.38 = 2,858.64 : x
  2. Step 2: Convert to fraction form
    7,019.61/10,529.38 = 2,858.64/x
  3. Step 3: Cross multiply
    7,019.61x = 10,529.38 × 2,858.64
  4. Step 4: Simplify right side
    7,019.61x = 30,099,706.84
  5. Step 5: Solve for x
    x = 30,099,706.84/7,019.61
  6. Step 6: Final answer
    x = 4,287.95

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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.