Home / 5,317.03-7,975.95-1,619.58

Finding the Fourth Proportional to 5,317.03, 7,975.95 and 1,619.58

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Solution

The fourth proportional to 5,317.03, 7,975.95 and 1,619.58 is: 2,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.03 : 7,975.95 = 1,619.58 : x
  2. Step 2: Convert to fraction form
    5,317.03/7,975.95 = 1,619.58/x
  3. Step 3: Cross multiply
    5,317.03x = 7,975.95 × 1,619.58
  4. Step 4: Simplify right side
    5,317.03x = 12,917,689.10
  5. Step 5: Solve for x
    x = 12,917,689.10/5,317.03
  6. Step 6: Final answer
    x = 2,429.49

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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.