Home / 6,390.08-8,817.60-3,595.52

Finding the Fourth Proportional to 6,390.08, 8,817.60 and 3,595.52

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Solution

The fourth proportional to 6,390.08, 8,817.60 and 3,595.52 is: 4,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.08 : 8,817.60 = 3,595.52 : x
  2. Step 2: Convert to fraction form
    6,390.08/8,817.60 = 3,595.52/x
  3. Step 3: Cross multiply
    6,390.08x = 8,817.60 × 3,595.52
  4. Step 4: Simplify right side
    6,390.08x = 31,703,857.15
  5. Step 5: Solve for x
    x = 31,703,857.15/6,390.08
  6. Step 6: Final answer
    x = 4,961.42

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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.