Home / 4,376.30-6,564.78-1,256.28

Finding the Fourth Proportional to 4,376.30, 6,564.78 and 1,256.28

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Solution

The fourth proportional to 4,376.30, 6,564.78 and 1,256.28 is: 1,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.30 : 6,564.78 = 1,256.28 : x
  2. Step 2: Convert to fraction form
    4,376.30/6,564.78 = 1,256.28/x
  3. Step 3: Cross multiply
    4,376.30x = 6,564.78 × 1,256.28
  4. Step 4: Simplify right side
    4,376.30x = 8,247,214.13
  5. Step 5: Solve for x
    x = 8,247,214.13/4,376.30
  6. Step 6: Final answer
    x = 1,884.52

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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.