Home / 4,320.36-6,480.18-1,855.08

Finding the Fourth Proportional to 4,320.36, 6,480.18 and 1,855.08

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Solution

The fourth proportional to 4,320.36, 6,480.18 and 1,855.08 is: 2,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.36 : 6,480.18 = 1,855.08 : x
  2. Step 2: Convert to fraction form
    4,320.36/6,480.18 = 1,855.08/x
  3. Step 3: Cross multiply
    4,320.36x = 6,480.18 × 1,855.08
  4. Step 4: Simplify right side
    4,320.36x = 12,021,252.31
  5. Step 5: Solve for x
    x = 12,021,252.31/4,320.36
  6. Step 6: Final answer
    x = 2,782.47

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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.