Home / 8,435.13-11,639.88-4,898.67

Finding the Fourth Proportional to 8,435.13, 11,639.88 and 4,898.67

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Solution

The fourth proportional to 8,435.13, 11,639.88 and 4,898.67 is: 6,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.13 : 11,639.88 = 4,898.67 : x
  2. Step 2: Convert to fraction form
    8,435.13/11,639.88 = 4,898.67/x
  3. Step 3: Cross multiply
    8,435.13x = 11,639.88 × 4,898.67
  4. Step 4: Simplify right side
    8,435.13x = 57,019,930.96
  5. Step 5: Solve for x
    x = 57,019,930.96/8,435.13
  6. Step 6: Final answer
    x = 6,759.82

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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.