Home / 5,007.16-7,511.55-1,719.47

Finding the Fourth Proportional to 5,007.16, 7,511.55 and 1,719.47

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Solution

The fourth proportional to 5,007.16, 7,511.55 and 1,719.47 is: 2,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.16 : 7,511.55 = 1,719.47 : x
  2. Step 2: Convert to fraction form
    5,007.16/7,511.55 = 1,719.47/x
  3. Step 3: Cross multiply
    5,007.16x = 7,511.55 × 1,719.47
  4. Step 4: Simplify right side
    5,007.16x = 12,915,903.66
  5. Step 5: Solve for x
    x = 12,915,903.66/5,007.16
  6. Step 6: Final answer
    x = 2,579.49

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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.