Home / 7,365.51-11,047.86-1,818.83

Finding the Fourth Proportional to 7,365.51, 11,047.86 and 1,818.83

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Solution

The fourth proportional to 7,365.51, 11,047.86 and 1,818.83 is: 2,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.51 : 11,047.86 = 1,818.83 : x
  2. Step 2: Convert to fraction form
    7,365.51/11,047.86 = 1,818.83/x
  3. Step 3: Cross multiply
    7,365.51x = 11,047.86 × 1,818.83
  4. Step 4: Simplify right side
    7,365.51x = 20,094,179.20
  5. Step 5: Solve for x
    x = 20,094,179.20/7,365.51
  6. Step 6: Final answer
    x = 2,728.14

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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.