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Finding the Fourth Proportional to 5,288.76, 7,927.55 and 1,775.43

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Solution

The fourth proportional to 5,288.76, 7,927.55 and 1,775.43 is: 2,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.76 : 7,927.55 = 1,775.43 : x
  2. Step 2: Convert to fraction form
    5,288.76/7,927.55 = 1,775.43/x
  3. Step 3: Cross multiply
    5,288.76x = 7,927.55 × 1,775.43
  4. Step 4: Simplify right side
    5,288.76x = 14,074,810.10
  5. Step 5: Solve for x
    x = 14,074,810.10/5,288.76
  6. Step 6: Final answer
    x = 2,661.27

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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.