Home / 5,509.07-7,603.86-3,385.11

Finding the Fourth Proportional to 5,509.07, 7,603.86 and 3,385.11

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Solution

The fourth proportional to 5,509.07, 7,603.86 and 3,385.11 is: 4,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.07 : 7,603.86 = 3,385.11 : x
  2. Step 2: Convert to fraction form
    5,509.07/7,603.86 = 3,385.11/x
  3. Step 3: Cross multiply
    5,509.07x = 7,603.86 × 3,385.11
  4. Step 4: Simplify right side
    5,509.07x = 25,739,902.52
  5. Step 5: Solve for x
    x = 25,739,902.52/5,509.07
  6. Step 6: Final answer
    x = 4,672.28

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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.