Home / 4,386.64-6,582.18-1,921.48

Finding the Fourth Proportional to 4,386.64, 6,582.18 and 1,921.48

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Solution

The fourth proportional to 4,386.64, 6,582.18 and 1,921.48 is: 2,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.64 : 6,582.18 = 1,921.48 : x
  2. Step 2: Convert to fraction form
    4,386.64/6,582.18 = 1,921.48/x
  3. Step 3: Cross multiply
    4,386.64x = 6,582.18 × 1,921.48
  4. Step 4: Simplify right side
    4,386.64x = 12,647,527.23
  5. Step 5: Solve for x
    x = 12,647,527.23/4,386.64
  6. Step 6: Final answer
    x = 2,883.19

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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.