Home / 4,619.71-6,931.59-1,698.85

Finding the Fourth Proportional to 4,619.71, 6,931.59 and 1,698.85

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Solution

The fourth proportional to 4,619.71, 6,931.59 and 1,698.85 is: 2,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.71 : 6,931.59 = 1,698.85 : x
  2. Step 2: Convert to fraction form
    4,619.71/6,931.59 = 1,698.85/x
  3. Step 3: Cross multiply
    4,619.71x = 6,931.59 × 1,698.85
  4. Step 4: Simplify right side
    4,619.71x = 11,775,731.67
  5. Step 5: Solve for x
    x = 11,775,731.67/4,619.71
  6. Step 6: Final answer
    x = 2,549.02

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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.