Home / 7,941.69-11,916.37-5,616.64

Finding the Fourth Proportional to 7,941.69, 11,916.37 and 5,616.64

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Solution

The fourth proportional to 7,941.69, 11,916.37 and 5,616.64 is: 8,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.69 : 11,916.37 = 5,616.64 : x
  2. Step 2: Convert to fraction form
    7,941.69/11,916.37 = 5,616.64/x
  3. Step 3: Cross multiply
    7,941.69x = 11,916.37 × 5,616.64
  4. Step 4: Simplify right side
    7,941.69x = 66,929,937.63
  5. Step 5: Solve for x
    x = 66,929,937.63/7,941.69
  6. Step 6: Final answer
    x = 8,427.67

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1.5x scale

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.