Home / 5,184.23-7,776.34-1,288.63

Finding the Fourth Proportional to 5,184.23, 7,776.34 and 1,288.63

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Solution

The fourth proportional to 5,184.23, 7,776.34 and 1,288.63 is: 1,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.23 : 7,776.34 = 1,288.63 : x
  2. Step 2: Convert to fraction form
    5,184.23/7,776.34 = 1,288.63/x
  3. Step 3: Cross multiply
    5,184.23x = 7,776.34 × 1,288.63
  4. Step 4: Simplify right side
    5,184.23x = 10,020,825.01
  5. Step 5: Solve for x
    x = 10,020,825.01/5,184.23
  6. Step 6: Final answer
    x = 1,932.94

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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.