Home / 8,745.70-13,122.65-4,363.49

Finding the Fourth Proportional to 8,745.70, 13,122.65 and 4,363.49

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Solution

The fourth proportional to 8,745.70, 13,122.65 and 4,363.49 is: 6,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.70 : 13,122.65 = 4,363.49 : x
  2. Step 2: Convert to fraction form
    8,745.70/13,122.65 = 4,363.49/x
  3. Step 3: Cross multiply
    8,745.70x = 13,122.65 × 4,363.49
  4. Step 4: Simplify right side
    8,745.70x = 57,260,552.05
  5. Step 5: Solve for x
    x = 57,260,552.05/8,745.70
  6. Step 6: Final answer
    x = 6,547.28

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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.