Home / 4,378.86-6,569.46-1,913.88

Finding the Fourth Proportional to 4,378.86, 6,569.46 and 1,913.88

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Solution

The fourth proportional to 4,378.86, 6,569.46 and 1,913.88 is: 2,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.86 : 6,569.46 = 1,913.88 : x
  2. Step 2: Convert to fraction form
    4,378.86/6,569.46 = 1,913.88/x
  3. Step 3: Cross multiply
    4,378.86x = 6,569.46 × 1,913.88
  4. Step 4: Simplify right side
    4,378.86x = 12,573,158.10
  5. Step 5: Solve for x
    x = 12,573,158.10/4,378.86
  6. Step 6: Final answer
    x = 2,871.33

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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.