Home / 8,435.20-11,635.74-4,897.96

Finding the Fourth Proportional to 8,435.20, 11,635.74 and 4,897.96

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Solution

The fourth proportional to 8,435.20, 11,635.74 and 4,897.96 is: 6,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.20 : 11,635.74 = 4,897.96 : x
  2. Step 2: Convert to fraction form
    8,435.20/11,635.74 = 4,897.96/x
  3. Step 3: Cross multiply
    8,435.20x = 11,635.74 × 4,897.96
  4. Step 4: Simplify right side
    8,435.20x = 56,991,389.09
  5. Step 5: Solve for x
    x = 56,991,389.09/8,435.20
  6. Step 6: Final answer
    x = 6,756.38

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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.