Home / 4,619.21-6,931.08-2,151.08

Finding the Fourth Proportional to 4,619.21, 6,931.08 and 2,151.08

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Solution

The fourth proportional to 4,619.21, 6,931.08 and 2,151.08 is: 3,227.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.21 : 6,931.08 = 2,151.08 : x
  2. Step 2: Convert to fraction form
    4,619.21/6,931.08 = 2,151.08/x
  3. Step 3: Cross multiply
    4,619.21x = 6,931.08 × 2,151.08
  4. Step 4: Simplify right side
    4,619.21x = 14,909,307.57
  5. Step 5: Solve for x
    x = 14,909,307.57/4,619.21
  6. Step 6: Final answer
    x = 3,227.67

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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.