Home / 5,137.02-7,705.57-1,847.81

Finding the Fourth Proportional to 5,137.02, 7,705.57 and 1,847.81

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Solution

The fourth proportional to 5,137.02, 7,705.57 and 1,847.81 is: 2,771.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.02 : 7,705.57 = 1,847.81 : x
  2. Step 2: Convert to fraction form
    5,137.02/7,705.57 = 1,847.81/x
  3. Step 3: Cross multiply
    5,137.02x = 7,705.57 × 1,847.81
  4. Step 4: Simplify right side
    5,137.02x = 14,238,390.77
  5. Step 5: Solve for x
    x = 14,238,390.77/5,137.02
  6. Step 6: Final answer
    x = 2,771.72

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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.