Home / 4,390.63-6,585.85-1,270.51

Finding the Fourth Proportional to 4,390.63, 6,585.85 and 1,270.51

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Solution

The fourth proportional to 4,390.63, 6,585.85 and 1,270.51 is: 1,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.63 : 6,585.85 = 1,270.51 : x
  2. Step 2: Convert to fraction form
    4,390.63/6,585.85 = 1,270.51/x
  3. Step 3: Cross multiply
    4,390.63x = 6,585.85 × 1,270.51
  4. Step 4: Simplify right side
    4,390.63x = 8,367,388.28
  5. Step 5: Solve for x
    x = 8,367,388.28/4,390.63
  6. Step 6: Final answer
    x = 1,905.74

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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.