Home / 5,629.72-8,444.78-1,931.93

Finding the Fourth Proportional to 5,629.72, 8,444.78 and 1,931.93

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Solution

The fourth proportional to 5,629.72, 8,444.78 and 1,931.93 is: 2,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.72 : 8,444.78 = 1,931.93 : x
  2. Step 2: Convert to fraction form
    5,629.72/8,444.78 = 1,931.93/x
  3. Step 3: Cross multiply
    5,629.72x = 8,444.78 × 1,931.93
  4. Step 4: Simplify right side
    5,629.72x = 16,314,692.54
  5. Step 5: Solve for x
    x = 16,314,692.54/5,629.72
  6. Step 6: Final answer
    x = 2,897.96

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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.