Home / 9,285.03-12,817.04-6,148.71

Finding the Fourth Proportional to 9,285.03, 12,817.04 and 6,148.71

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Solution

The fourth proportional to 9,285.03, 12,817.04 and 6,148.71 is: 8,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.03 : 12,817.04 = 6,148.71 : x
  2. Step 2: Convert to fraction form
    9,285.03/12,817.04 = 6,148.71/x
  3. Step 3: Cross multiply
    9,285.03x = 12,817.04 × 6,148.71
  4. Step 4: Simplify right side
    9,285.03x = 78,808,231.27
  5. Step 5: Solve for x
    x = 78,808,231.27/9,285.03
  6. Step 6: Final answer
    x = 8,487.67

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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.