Home / 4,311.74-6,465.58-1,389.26

Finding the Fourth Proportional to 4,311.74, 6,465.58 and 1,389.26

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Solution

The fourth proportional to 4,311.74, 6,465.58 and 1,389.26 is: 2,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.74 : 6,465.58 = 1,389.26 : x
  2. Step 2: Convert to fraction form
    4,311.74/6,465.58 = 1,389.26/x
  3. Step 3: Cross multiply
    4,311.74x = 6,465.58 × 1,389.26
  4. Step 4: Simplify right side
    4,311.74x = 8,982,371.67
  5. Step 5: Solve for x
    x = 8,982,371.67/4,311.74
  6. Step 6: Final answer
    x = 2,083.24

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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.