Home / 7,730.44-11,595.66-1,887.05

Finding the Fourth Proportional to 7,730.44, 11,595.66 and 1,887.05

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Solution

The fourth proportional to 7,730.44, 11,595.66 and 1,887.05 is: 2,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.44 : 11,595.66 = 1,887.05 : x
  2. Step 2: Convert to fraction form
    7,730.44/11,595.66 = 1,887.05/x
  3. Step 3: Cross multiply
    7,730.44x = 11,595.66 × 1,887.05
  4. Step 4: Simplify right side
    7,730.44x = 21,881,546.89
  5. Step 5: Solve for x
    x = 21,881,546.89/7,730.44
  6. Step 6: Final answer
    x = 2,830.57

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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.