Home / 5,802.20-8,681.70-3,858.20

Finding the Fourth Proportional to 5,802.20, 8,681.70 and 3,858.20

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Solution

The fourth proportional to 5,802.20, 8,681.70 and 3,858.20 is: 5,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,802.20 : 8,681.70 = 3,858.20 : x
  2. Step 2: Convert to fraction form
    5,802.20/8,681.70 = 3,858.20/x
  3. Step 3: Cross multiply
    5,802.20x = 8,681.70 × 3,858.20
  4. Step 4: Simplify right side
    5,802.20x = 33,495,734.94
  5. Step 5: Solve for x
    x = 33,495,734.94/5,802.20
  6. Step 6: Final answer
    x = 5,772.94

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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.