Home / 6,235.76-8,603.34-4,140.30

Finding the Fourth Proportional to 6,235.76, 8,603.34 and 4,140.30

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Solution

The fourth proportional to 6,235.76, 8,603.34 and 4,140.30 is: 5,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.76 : 8,603.34 = 4,140.30 : x
  2. Step 2: Convert to fraction form
    6,235.76/8,603.34 = 4,140.30/x
  3. Step 3: Cross multiply
    6,235.76x = 8,603.34 × 4,140.30
  4. Step 4: Simplify right side
    6,235.76x = 35,620,408.60
  5. Step 5: Solve for x
    x = 35,620,408.60/6,235.76
  6. Step 6: Final answer
    x = 5,712.28

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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.