Home / 7,365.60-11,048.13-1,818.90

Finding the Fourth Proportional to 7,365.60, 11,048.13 and 1,818.90

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Solution

The fourth proportional to 7,365.60, 11,048.13 and 1,818.90 is: 2,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.60 : 11,048.13 = 1,818.90 : x
  2. Step 2: Convert to fraction form
    7,365.60/11,048.13 = 1,818.90/x
  3. Step 3: Cross multiply
    7,365.60x = 11,048.13 × 1,818.90
  4. Step 4: Simplify right side
    7,365.60x = 20,095,443.66
  5. Step 5: Solve for x
    x = 20,095,443.66/7,365.60
  6. Step 6: Final answer
    x = 2,728.28

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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.