Home / 4,785.63-7,178.42-1,276.00

Finding the Fourth Proportional to 4,785.63, 7,178.42 and 1,276.00

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Solution

The fourth proportional to 4,785.63, 7,178.42 and 1,276.00 is: 1,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.63 : 7,178.42 = 1,276.00 : x
  2. Step 2: Convert to fraction form
    4,785.63/7,178.42 = 1,276.00/x
  3. Step 3: Cross multiply
    4,785.63x = 7,178.42 × 1,276.00
  4. Step 4: Simplify right side
    4,785.63x = 9,159,689.54
  5. Step 5: Solve for x
    x = 9,159,689.54/4,785.63
  6. Step 6: Final answer
    x = 1,914.00

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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.