Home / 7,923.58-11,880.51-3,535

Finding the Fourth Proportional to 7,923.58, 11,880.51 and 3,535

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Solution

The fourth proportional to 7,923.58, 11,880.51 and 3,535 is: 5,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.58 : 11,880.51 = 3,535 : x
  2. Step 2: Convert to fraction form
    7,923.58/11,880.51 = 3,535/x
  3. Step 3: Cross multiply
    7,923.58x = 11,880.51 × 3,535
  4. Step 4: Simplify right side
    7,923.58x = 41,997,602.85
  5. Step 5: Solve for x
    x = 41,997,602.85/7,923.58
  6. Step 6: Final answer
    x = 5,300.33

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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.