Home / 8,466.60-12,701.33-3,130.10

Finding the Fourth Proportional to 8,466.60, 12,701.33 and 3,130.10

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Solution

The fourth proportional to 8,466.60, 12,701.33 and 3,130.10 is: 4,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.60 : 12,701.33 = 3,130.10 : x
  2. Step 2: Convert to fraction form
    8,466.60/12,701.33 = 3,130.10/x
  3. Step 3: Cross multiply
    8,466.60x = 12,701.33 × 3,130.10
  4. Step 4: Simplify right side
    8,466.60x = 39,756,413.24
  5. Step 5: Solve for x
    x = 39,756,413.24/8,466.60
  6. Step 6: Final answer
    x = 4,695.67

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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.