Home / 5,555.36-7,666.22-3,316.72

Finding the Fourth Proportional to 5,555.36, 7,666.22 and 3,316.72

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Solution

The fourth proportional to 5,555.36, 7,666.22 and 3,316.72 is: 4,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.36 : 7,666.22 = 3,316.72 : x
  2. Step 2: Convert to fraction form
    5,555.36/7,666.22 = 3,316.72/x
  3. Step 3: Cross multiply
    5,555.36x = 7,666.22 × 3,316.72
  4. Step 4: Simplify right side
    5,555.36x = 25,426,705.20
  5. Step 5: Solve for x
    x = 25,426,705.20/5,555.36
  6. Step 6: Final answer
    x = 4,576.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.