Home / 6,421.48-9,629.76-2,523.76

Finding the Fourth Proportional to 6,421.48, 9,629.76 and 2,523.76

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Solution

The fourth proportional to 6,421.48, 9,629.76 and 2,523.76 is: 3,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.48 : 9,629.76 = 2,523.76 : x
  2. Step 2: Convert to fraction form
    6,421.48/9,629.76 = 2,523.76/x
  3. Step 3: Cross multiply
    6,421.48x = 9,629.76 × 2,523.76
  4. Step 4: Simplify right side
    6,421.48x = 24,303,203.10
  5. Step 5: Solve for x
    x = 24,303,203.10/6,421.48
  6. Step 6: Final answer
    x = 3,784.67

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1.5x scale

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.