Home / 7,675.09-11,503.59-4,390.45

Finding the Fourth Proportional to 7,675.09, 11,503.59 and 4,390.45

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Solution

The fourth proportional to 7,675.09, 11,503.59 and 4,390.45 is: 6,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.09 : 11,503.59 = 4,390.45 : x
  2. Step 2: Convert to fraction form
    7,675.09/11,503.59 = 4,390.45/x
  3. Step 3: Cross multiply
    7,675.09x = 11,503.59 × 4,390.45
  4. Step 4: Simplify right side
    7,675.09x = 50,505,936.72
  5. Step 5: Solve for x
    x = 50,505,936.72/7,675.09
  6. Step 6: Final answer
    x = 6,580.50

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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.