Home / 7,935.77-11,890.90-4,651.63

Finding the Fourth Proportional to 7,935.77, 11,890.90 and 4,651.63

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Solution

The fourth proportional to 7,935.77, 11,890.90 and 4,651.63 is: 6,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.77 : 11,890.90 = 4,651.63 : x
  2. Step 2: Convert to fraction form
    7,935.77/11,890.90 = 4,651.63/x
  3. Step 3: Cross multiply
    7,935.77x = 11,890.90 × 4,651.63
  4. Step 4: Simplify right side
    7,935.77x = 55,312,043.25
  5. Step 5: Solve for x
    x = 55,312,043.25/7,935.77
  6. Step 6: Final answer
    x = 6,969.96

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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.