Home / 5,805.46-8,010.69-3,320.98

Finding the Fourth Proportional to 5,805.46, 8,010.69 and 3,320.98

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Solution

The fourth proportional to 5,805.46, 8,010.69 and 3,320.98 is: 4,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.46 : 8,010.69 = 3,320.98 : x
  2. Step 2: Convert to fraction form
    5,805.46/8,010.69 = 3,320.98/x
  3. Step 3: Cross multiply
    5,805.46x = 8,010.69 × 3,320.98
  4. Step 4: Simplify right side
    5,805.46x = 26,603,341.28
  5. Step 5: Solve for x
    x = 26,603,341.28/5,805.46
  6. Step 6: Final answer
    x = 4,582.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.