Home / 9,539.84-13,164.53-5,290.57

Finding the Fourth Proportional to 9,539.84, 13,164.53 and 5,290.57

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Solution

The fourth proportional to 9,539.84, 13,164.53 and 5,290.57 is: 7,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.84 : 13,164.53 = 5,290.57 : x
  2. Step 2: Convert to fraction form
    9,539.84/13,164.53 = 5,290.57/x
  3. Step 3: Cross multiply
    9,539.84x = 13,164.53 × 5,290.57
  4. Step 4: Simplify right side
    9,539.84x = 69,647,841.03
  5. Step 5: Solve for x
    x = 69,647,841.03/9,539.84
  6. Step 6: Final answer
    x = 7,300.73

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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.