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Finding the Fourth Proportional to 5,913.72, 8,870.82 and 1,753.64

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Solution

The fourth proportional to 5,913.72, 8,870.82 and 1,753.64 is: 2,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.72 : 8,870.82 = 1,753.64 : x
  2. Step 2: Convert to fraction form
    5,913.72/8,870.82 = 1,753.64/x
  3. Step 3: Cross multiply
    5,913.72x = 8,870.82 × 1,753.64
  4. Step 4: Simplify right side
    5,913.72x = 15,556,180.43
  5. Step 5: Solve for x
    x = 15,556,180.43/5,913.72
  6. Step 6: Final answer
    x = 2,630.52

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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.