Home / 5,346.20-8,009.70-4,578.20

Finding the Fourth Proportional to 5,346.20, 8,009.70 and 4,578.20

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Solution

The fourth proportional to 5,346.20, 8,009.70 and 4,578.20 is: 6,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.20 : 8,009.70 = 4,578.20 : x
  2. Step 2: Convert to fraction form
    5,346.20/8,009.70 = 4,578.20/x
  3. Step 3: Cross multiply
    5,346.20x = 8,009.70 × 4,578.20
  4. Step 4: Simplify right side
    5,346.20x = 36,670,008.54
  5. Step 5: Solve for x
    x = 36,670,008.54/5,346.20
  6. Step 6: Final answer
    x = 6,859.08

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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.