Home / 6,266.08-8,648.40-3,615.20

Finding the Fourth Proportional to 6,266.08, 8,648.40 and 3,615.20

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Solution

The fourth proportional to 6,266.08, 8,648.40 and 3,615.20 is: 4,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,266.08 : 8,648.40 = 3,615.20 : x
  2. Step 2: Convert to fraction form
    6,266.08/8,648.40 = 3,615.20/x
  3. Step 3: Cross multiply
    6,266.08x = 8,648.40 × 3,615.20
  4. Step 4: Simplify right side
    6,266.08x = 31,265,695.68
  5. Step 5: Solve for x
    x = 31,265,695.68/6,266.08
  6. Step 6: Final answer
    x = 4,989.67

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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.