Home / 4,287.10-6,431.13-1,364.73

Finding the Fourth Proportional to 4,287.10, 6,431.13 and 1,364.73

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Solution

The fourth proportional to 4,287.10, 6,431.13 and 1,364.73 is: 2,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.10 : 6,431.13 = 1,364.73 : x
  2. Step 2: Convert to fraction form
    4,287.10/6,431.13 = 1,364.73/x
  3. Step 3: Cross multiply
    4,287.10x = 6,431.13 × 1,364.73
  4. Step 4: Simplify right side
    4,287.10x = 8,776,756.04
  5. Step 5: Solve for x
    x = 8,776,756.04/4,287.10
  6. Step 6: Final answer
    x = 2,047.25

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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.