Home / 5,802.35-8,013.87-3,821.76

Finding the Fourth Proportional to 5,802.35, 8,013.87 and 3,821.76

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Solution

The fourth proportional to 5,802.35, 8,013.87 and 3,821.76 is: 5,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,802.35 : 8,013.87 = 3,821.76 : x
  2. Step 2: Convert to fraction form
    5,802.35/8,013.87 = 3,821.76/x
  3. Step 3: Cross multiply
    5,802.35x = 8,013.87 × 3,821.76
  4. Step 4: Simplify right side
    5,802.35x = 30,627,087.81
  5. Step 5: Solve for x
    x = 30,627,087.81/5,802.35
  6. Step 6: Final answer
    x = 5,278.40

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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.