Home / 4,392.76-6,588.45-1,431.31

Finding the Fourth Proportional to 4,392.76, 6,588.45 and 1,431.31

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Solution

The fourth proportional to 4,392.76, 6,588.45 and 1,431.31 is: 2,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.76 : 6,588.45 = 1,431.31 : x
  2. Step 2: Convert to fraction form
    4,392.76/6,588.45 = 1,431.31/x
  3. Step 3: Cross multiply
    4,392.76x = 6,588.45 × 1,431.31
  4. Step 4: Simplify right side
    4,392.76x = 9,430,114.37
  5. Step 5: Solve for x
    x = 9,430,114.37/4,392.76
  6. Step 6: Final answer
    x = 2,146.74

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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.