Home / 8,435.22-11,639.72-4,897.74

Finding the Fourth Proportional to 8,435.22, 11,639.72 and 4,897.74

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Solution

The fourth proportional to 8,435.22, 11,639.72 and 4,897.74 is: 6,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.22 : 11,639.72 = 4,897.74 : x
  2. Step 2: Convert to fraction form
    8,435.22/11,639.72 = 4,897.74/x
  3. Step 3: Cross multiply
    8,435.22x = 11,639.72 × 4,897.74
  4. Step 4: Simplify right side
    8,435.22x = 57,008,322.23
  5. Step 5: Solve for x
    x = 57,008,322.23/8,435.22
  6. Step 6: Final answer
    x = 6,758.37

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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.