Home / 4,218.51-6,329.08-1,586.25

Finding the Fourth Proportional to 4,218.51, 6,329.08 and 1,586.25

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Solution

The fourth proportional to 4,218.51, 6,329.08 and 1,586.25 is: 2,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.51 : 6,329.08 = 1,586.25 : x
  2. Step 2: Convert to fraction form
    4,218.51/6,329.08 = 1,586.25/x
  3. Step 3: Cross multiply
    4,218.51x = 6,329.08 × 1,586.25
  4. Step 4: Simplify right side
    4,218.51x = 10,039,495.22
  5. Step 5: Solve for x
    x = 10,039,495.22/4,218.51
  6. Step 6: Final answer
    x = 2,379.87

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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.