Home / 8,410.16-11,603.96-5,538.60

Finding the Fourth Proportional to 8,410.16, 11,603.96 and 5,538.60

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Solution

The fourth proportional to 8,410.16, 11,603.96 and 5,538.60 is: 7,641.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.16 : 11,603.96 = 5,538.60 : x
  2. Step 2: Convert to fraction form
    8,410.16/11,603.96 = 5,538.60/x
  3. Step 3: Cross multiply
    8,410.16x = 11,603.96 × 5,538.60
  4. Step 4: Simplify right side
    8,410.16x = 64,269,692.86
  5. Step 5: Solve for x
    x = 64,269,692.86/8,410.16
  6. Step 6: Final answer
    x = 7,641.91

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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.