Home / 4,392.60-6,589.44-1,430.70

Finding the Fourth Proportional to 4,392.60, 6,589.44 and 1,430.70

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Solution

The fourth proportional to 4,392.60, 6,589.44 and 1,430.70 is: 2,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.60 : 6,589.44 = 1,430.70 : x
  2. Step 2: Convert to fraction form
    4,392.60/6,589.44 = 1,430.70/x
  3. Step 3: Cross multiply
    4,392.60x = 6,589.44 × 1,430.70
  4. Step 4: Simplify right side
    4,392.60x = 9,427,511.81
  5. Step 5: Solve for x
    x = 9,427,511.81/4,392.60
  6. Step 6: Final answer
    x = 2,146.23

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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.