Home / 5,384.16-8,076.87-1,686.33

Finding the Fourth Proportional to 5,384.16, 8,076.87 and 1,686.33

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Solution

The fourth proportional to 5,384.16, 8,076.87 and 1,686.33 is: 2,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.16 : 8,076.87 = 1,686.33 : x
  2. Step 2: Convert to fraction form
    5,384.16/8,076.87 = 1,686.33/x
  3. Step 3: Cross multiply
    5,384.16x = 8,076.87 × 1,686.33
  4. Step 4: Simplify right side
    5,384.16x = 13,620,268.19
  5. Step 5: Solve for x
    x = 13,620,268.19/5,384.16
  6. Step 6: Final answer
    x = 2,529.69

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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.