Home / 4,485.12-6,730.16-1,888

Finding the Fourth Proportional to 4,485.12, 6,730.16 and 1,888

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Solution

The fourth proportional to 4,485.12, 6,730.16 and 1,888 is: 2,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.12 : 6,730.16 = 1,888 : x
  2. Step 2: Convert to fraction form
    4,485.12/6,730.16 = 1,888/x
  3. Step 3: Cross multiply
    4,485.12x = 6,730.16 × 1,888
  4. Step 4: Simplify right side
    4,485.12x = 12,706,542.08
  5. Step 5: Solve for x
    x = 12,706,542.08/4,485.12
  6. Step 6: Final answer
    x = 2,833.04

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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.