Home / 5,184.01-7,775.65-1,288.42

Finding the Fourth Proportional to 5,184.01, 7,775.65 and 1,288.42

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Solution

The fourth proportional to 5,184.01, 7,775.65 and 1,288.42 is: 1,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.01 : 7,775.65 = 1,288.42 : x
  2. Step 2: Convert to fraction form
    5,184.01/7,775.65 = 1,288.42/x
  3. Step 3: Cross multiply
    5,184.01x = 7,775.65 × 1,288.42
  4. Step 4: Simplify right side
    5,184.01x = 10,018,302.97
  5. Step 5: Solve for x
    x = 10,018,302.97/5,184.01
  6. Step 6: Final answer
    x = 1,932.54

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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.