Home / 4,485.64-6,730.89-1,888.51

Finding the Fourth Proportional to 4,485.64, 6,730.89 and 1,888.51

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Solution

The fourth proportional to 4,485.64, 6,730.89 and 1,888.51 is: 2,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.64 : 6,730.89 = 1,888.51 : x
  2. Step 2: Convert to fraction form
    4,485.64/6,730.89 = 1,888.51/x
  3. Step 3: Cross multiply
    4,485.64x = 6,730.89 × 1,888.51
  4. Step 4: Simplify right side
    4,485.64x = 12,711,353.07
  5. Step 5: Solve for x
    x = 12,711,353.07/4,485.64
  6. Step 6: Final answer
    x = 2,833.79

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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.