Home / 4,378.12-6,568.04-1,417.30

Finding the Fourth Proportional to 4,378.12, 6,568.04 and 1,417.30

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Solution

The fourth proportional to 4,378.12, 6,568.04 and 1,417.30 is: 2,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.12 : 6,568.04 = 1,417.30 : x
  2. Step 2: Convert to fraction form
    4,378.12/6,568.04 = 1,417.30/x
  3. Step 3: Cross multiply
    4,378.12x = 6,568.04 × 1,417.30
  4. Step 4: Simplify right side
    4,378.12x = 9,308,883.09
  5. Step 5: Solve for x
    x = 9,308,883.09/4,378.12
  6. Step 6: Final answer
    x = 2,126.23

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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.