Home / 5,561.80-8,340.27-1,665.46

Finding the Fourth Proportional to 5,561.80, 8,340.27 and 1,665.46

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Solution

The fourth proportional to 5,561.80, 8,340.27 and 1,665.46 is: 2,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.80 : 8,340.27 = 1,665.46 : x
  2. Step 2: Convert to fraction form
    5,561.80/8,340.27 = 1,665.46/x
  3. Step 3: Cross multiply
    5,561.80x = 8,340.27 × 1,665.46
  4. Step 4: Simplify right side
    5,561.80x = 13,890,386.07
  5. Step 5: Solve for x
    x = 13,890,386.07/5,561.80
  6. Step 6: Final answer
    x = 2,497.46

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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.