Home / 4,578.55-6,868.22-1,291.63

Finding the Fourth Proportional to 4,578.55, 6,868.22 and 1,291.63

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Solution

The fourth proportional to 4,578.55, 6,868.22 and 1,291.63 is: 1,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.55 : 6,868.22 = 1,291.63 : x
  2. Step 2: Convert to fraction form
    4,578.55/6,868.22 = 1,291.63/x
  3. Step 3: Cross multiply
    4,578.55x = 6,868.22 × 1,291.63
  4. Step 4: Simplify right side
    4,578.55x = 8,871,199.00
  5. Step 5: Solve for x
    x = 8,871,199.00/4,578.55
  6. Step 6: Final answer
    x = 1,937.56

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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.