Home / 8,528.69-11,771.53-5,539.32

Finding the Fourth Proportional to 8,528.69, 11,771.53 and 5,539.32

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Solution

The fourth proportional to 8,528.69, 11,771.53 and 5,539.32 is: 7,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.69 : 11,771.53 = 5,539.32 : x
  2. Step 2: Convert to fraction form
    8,528.69/11,771.53 = 5,539.32/x
  3. Step 3: Cross multiply
    8,528.69x = 11,771.53 × 5,539.32
  4. Step 4: Simplify right side
    8,528.69x = 65,206,257.71
  5. Step 5: Solve for x
    x = 65,206,257.71/8,528.69
  6. Step 6: Final answer
    x = 7,645.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.