Home / 8,603.19-11,868.66-5,245.47

Finding the Fourth Proportional to 8,603.19, 11,868.66 and 5,245.47

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Solution

The fourth proportional to 8,603.19, 11,868.66 and 5,245.47 is: 7,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.19 : 11,868.66 = 5,245.47 : x
  2. Step 2: Convert to fraction form
    8,603.19/11,868.66 = 5,245.47/x
  3. Step 3: Cross multiply
    8,603.19x = 11,868.66 × 5,245.47
  4. Step 4: Simplify right side
    8,603.19x = 62,256,699.97
  5. Step 5: Solve for x
    x = 62,256,699.97/8,603.19
  6. Step 6: Final answer
    x = 7,236.47

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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.