Home / 4,309.74-6,465-1,348.02

Finding the Fourth Proportional to 4,309.74, 6,465 and 1,348.02

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Solution

The fourth proportional to 4,309.74, 6,465 and 1,348.02 is: 2,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.74 : 6,465 = 1,348.02 : x
  2. Step 2: Convert to fraction form
    4,309.74/6,465 = 1,348.02/x
  3. Step 3: Cross multiply
    4,309.74x = 6,465 × 1,348.02
  4. Step 4: Simplify right side
    4,309.74x = 8,714,949.30
  5. Step 5: Solve for x
    x = 8,714,949.30/4,309.74
  6. Step 6: Final answer
    x = 2,022.15

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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.