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Finding the Fourth Proportional to 5,855.40, 8,783.10 and 2,574.90

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Solution

The fourth proportional to 5,855.40, 8,783.10 and 2,574.90 is: 3,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.40 : 8,783.10 = 2,574.90 : x
  2. Step 2: Convert to fraction form
    5,855.40/8,783.10 = 2,574.90/x
  3. Step 3: Cross multiply
    5,855.40x = 8,783.10 × 2,574.90
  4. Step 4: Simplify right side
    5,855.40x = 22,615,604.19
  5. Step 5: Solve for x
    x = 22,615,604.19/5,855.40
  6. Step 6: Final answer
    x = 3,862.35

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Similar ratio
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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.