Home / 4,415.23-6,618.72-1,491.49

Finding the Fourth Proportional to 4,415.23, 6,618.72 and 1,491.49

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Solution

The fourth proportional to 4,415.23, 6,618.72 and 1,491.49 is: 2,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.23 : 6,618.72 = 1,491.49 : x
  2. Step 2: Convert to fraction form
    4,415.23/6,618.72 = 1,491.49/x
  3. Step 3: Cross multiply
    4,415.23x = 6,618.72 × 1,491.49
  4. Step 4: Simplify right side
    4,415.23x = 9,871,721.60
  5. Step 5: Solve for x
    x = 9,871,721.60/4,415.23
  6. Step 6: Final answer
    x = 2,235.84

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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.