Home / 4,558.71-6,838.08-1,271.90

Finding the Fourth Proportional to 4,558.71, 6,838.08 and 1,271.90

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Solution

The fourth proportional to 4,558.71, 6,838.08 and 1,271.90 is: 1,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558.71 : 6,838.08 = 1,271.90 : x
  2. Step 2: Convert to fraction form
    4,558.71/6,838.08 = 1,271.90/x
  3. Step 3: Cross multiply
    4,558.71x = 6,838.08 × 1,271.90
  4. Step 4: Simplify right side
    4,558.71x = 8,697,319.76
  5. Step 5: Solve for x
    x = 8,697,319.76/4,558.71
  6. Step 6: Final answer
    x = 1,907.85

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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.