Home / 4,220.07-6,329.79-1,652.87

Finding the Fourth Proportional to 4,220.07, 6,329.79 and 1,652.87

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Solution

The fourth proportional to 4,220.07, 6,329.79 and 1,652.87 is: 2,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.07 : 6,329.79 = 1,652.87 : x
  2. Step 2: Convert to fraction form
    4,220.07/6,329.79 = 1,652.87/x
  3. Step 3: Cross multiply
    4,220.07x = 6,329.79 × 1,652.87
  4. Step 4: Simplify right side
    4,220.07x = 10,462,288.35
  5. Step 5: Solve for x
    x = 10,462,288.35/4,220.07
  6. Step 6: Final answer
    x = 2,479.17

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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.