Home / 4,455.76-6,679.59-1,857.28

Finding the Fourth Proportional to 4,455.76, 6,679.59 and 1,857.28

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Solution

The fourth proportional to 4,455.76, 6,679.59 and 1,857.28 is: 2,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.76 : 6,679.59 = 1,857.28 : x
  2. Step 2: Convert to fraction form
    4,455.76/6,679.59 = 1,857.28/x
  3. Step 3: Cross multiply
    4,455.76x = 6,679.59 × 1,857.28
  4. Step 4: Simplify right side
    4,455.76x = 12,405,868.92
  5. Step 5: Solve for x
    x = 12,405,868.92/4,455.76
  6. Step 6: Final answer
    x = 2,784.23

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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.