Home / 9,809.49-13,537.37-5,333.55

Finding the Fourth Proportional to 9,809.49, 13,537.37 and 5,333.55

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Solution

The fourth proportional to 9,809.49, 13,537.37 and 5,333.55 is: 7,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.49 : 13,537.37 = 5,333.55 : x
  2. Step 2: Convert to fraction form
    9,809.49/13,537.37 = 5,333.55/x
  3. Step 3: Cross multiply
    9,809.49x = 13,537.37 × 5,333.55
  4. Step 4: Simplify right side
    9,809.49x = 72,202,239.76
  5. Step 5: Solve for x
    x = 72,202,239.76/9,809.49
  6. Step 6: Final answer
    x = 7,360.45

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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.