Home / 4,106.42-6,159.57-1,913.90

Finding the Fourth Proportional to 4,106.42, 6,159.57 and 1,913.90

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Solution

The fourth proportional to 4,106.42, 6,159.57 and 1,913.90 is: 2,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.42 : 6,159.57 = 1,913.90 : x
  2. Step 2: Convert to fraction form
    4,106.42/6,159.57 = 1,913.90/x
  3. Step 3: Cross multiply
    4,106.42x = 6,159.57 × 1,913.90
  4. Step 4: Simplify right side
    4,106.42x = 11,788,801.02
  5. Step 5: Solve for x
    x = 11,788,801.02/4,106.42
  6. Step 6: Final answer
    x = 2,870.82

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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.