Home / 7,420.21-10,239.87-4,063.01

Finding the Fourth Proportional to 7,420.21, 10,239.87 and 4,063.01

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Solution

The fourth proportional to 7,420.21, 10,239.87 and 4,063.01 is: 5,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.21 : 10,239.87 = 4,063.01 : x
  2. Step 2: Convert to fraction form
    7,420.21/10,239.87 = 4,063.01/x
  3. Step 3: Cross multiply
    7,420.21x = 10,239.87 × 4,063.01
  4. Step 4: Simplify right side
    7,420.21x = 41,604,692.99
  5. Step 5: Solve for x
    x = 41,604,692.99/7,420.21
  6. Step 6: Final answer
    x = 5,606.94

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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.