Home / 4,740.59-7,111.91-1,818.90

Finding the Fourth Proportional to 4,740.59, 7,111.91 and 1,818.90

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Solution

The fourth proportional to 4,740.59, 7,111.91 and 1,818.90 is: 2,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.59 : 7,111.91 = 1,818.90 : x
  2. Step 2: Convert to fraction form
    4,740.59/7,111.91 = 1,818.90/x
  3. Step 3: Cross multiply
    4,740.59x = 7,111.91 × 1,818.90
  4. Step 4: Simplify right side
    4,740.59x = 12,935,844.00
  5. Step 5: Solve for x
    x = 12,935,844.00/4,740.59
  6. Step 6: Final answer
    x = 2,728.74

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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.