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Finding the Fourth Proportional to 5,880.62, 8,820.96 and 1,985.06

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Solution

The fourth proportional to 5,880.62, 8,820.96 and 1,985.06 is: 2,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.62 : 8,820.96 = 1,985.06 : x
  2. Step 2: Convert to fraction form
    5,880.62/8,820.96 = 1,985.06/x
  3. Step 3: Cross multiply
    5,880.62x = 8,820.96 × 1,985.06
  4. Step 4: Simplify right side
    5,880.62x = 17,510,134.86
  5. Step 5: Solve for x
    x = 17,510,134.86/5,880.62
  6. Step 6: Final answer
    x = 2,977.60

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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.