Home / 6,810.21-10,235.70-5,647.86

Finding the Fourth Proportional to 6,810.21, 10,235.70 and 5,647.86

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Solution

The fourth proportional to 6,810.21, 10,235.70 and 5,647.86 is: 8,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.21 : 10,235.70 = 5,647.86 : x
  2. Step 2: Convert to fraction form
    6,810.21/10,235.70 = 5,647.86/x
  3. Step 3: Cross multiply
    6,810.21x = 10,235.70 × 5,647.86
  4. Step 4: Simplify right side
    6,810.21x = 57,809,800.60
  5. Step 5: Solve for x
    x = 57,809,800.60/6,810.21
  6. Step 6: Final answer
    x = 8,488.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.