Home / 5,509.47-7,603.08-2,991.59

Finding the Fourth Proportional to 5,509.47, 7,603.08 and 2,991.59

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Solution

The fourth proportional to 5,509.47, 7,603.08 and 2,991.59 is: 4,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.47 : 7,603.08 = 2,991.59 : x
  2. Step 2: Convert to fraction form
    5,509.47/7,603.08 = 2,991.59/x
  3. Step 3: Cross multiply
    5,509.47x = 7,603.08 × 2,991.59
  4. Step 4: Simplify right side
    5,509.47x = 22,745,260.08
  5. Step 5: Solve for x
    x = 22,745,260.08/5,509.47
  6. Step 6: Final answer
    x = 4,128.39

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Double scale
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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.