Home / 6,421.84-9,625.56-4,204.92

Finding the Fourth Proportional to 6,421.84, 9,625.56 and 4,204.92

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Solution

The fourth proportional to 6,421.84, 9,625.56 and 4,204.92 is: 6,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.84 : 9,625.56 = 4,204.92 : x
  2. Step 2: Convert to fraction form
    6,421.84/9,625.56 = 4,204.92/x
  3. Step 3: Cross multiply
    6,421.84x = 9,625.56 × 4,204.92
  4. Step 4: Simplify right side
    6,421.84x = 40,474,709.76
  5. Step 5: Solve for x
    x = 40,474,709.76/6,421.84
  6. Step 6: Final answer
    x = 6,302.67

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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.