Home / 7,384.64-11,077.02-2,190.51

Finding the Fourth Proportional to 7,384.64, 11,077.02 and 2,190.51

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Solution

The fourth proportional to 7,384.64, 11,077.02 and 2,190.51 is: 3,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.64 : 11,077.02 = 2,190.51 : x
  2. Step 2: Convert to fraction form
    7,384.64/11,077.02 = 2,190.51/x
  3. Step 3: Cross multiply
    7,384.64x = 11,077.02 × 2,190.51
  4. Step 4: Simplify right side
    7,384.64x = 24,264,323.08
  5. Step 5: Solve for x
    x = 24,264,323.08/7,384.64
  6. Step 6: Final answer
    x = 3,285.79

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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.