Home / 7,729.87-11,595.45-2,465.63

Finding the Fourth Proportional to 7,729.87, 11,595.45 and 2,465.63

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Solution

The fourth proportional to 7,729.87, 11,595.45 and 2,465.63 is: 3,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.87 : 11,595.45 = 2,465.63 : x
  2. Step 2: Convert to fraction form
    7,729.87/11,595.45 = 2,465.63/x
  3. Step 3: Cross multiply
    7,729.87x = 11,595.45 × 2,465.63
  4. Step 4: Simplify right side
    7,729.87x = 28,590,077.06
  5. Step 5: Solve for x
    x = 28,590,077.06/7,729.87
  6. Step 6: Final answer
    x = 3,698.65

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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.