Home / 4,220.05-6,329.95-1,258.52

Finding the Fourth Proportional to 4,220.05, 6,329.95 and 1,258.52

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Solution

The fourth proportional to 4,220.05, 6,329.95 and 1,258.52 is: 1,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.05 : 6,329.95 = 1,258.52 : x
  2. Step 2: Convert to fraction form
    4,220.05/6,329.95 = 1,258.52/x
  3. Step 3: Cross multiply
    4,220.05x = 6,329.95 × 1,258.52
  4. Step 4: Simplify right side
    4,220.05x = 7,966,374.25
  5. Step 5: Solve for x
    x = 7,966,374.25/4,220.05
  6. Step 6: Final answer
    x = 1,887.74

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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.