Home / 5,665.97-8,499.47-1,770.28

Finding the Fourth Proportional to 5,665.97, 8,499.47 and 1,770.28

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Solution

The fourth proportional to 5,665.97, 8,499.47 and 1,770.28 is: 2,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.97 : 8,499.47 = 1,770.28 : x
  2. Step 2: Convert to fraction form
    5,665.97/8,499.47 = 1,770.28/x
  3. Step 3: Cross multiply
    5,665.97x = 8,499.47 × 1,770.28
  4. Step 4: Simplify right side
    5,665.97x = 15,046,411.65
  5. Step 5: Solve for x
    x = 15,046,411.65/5,665.97
  6. Step 6: Final answer
    x = 2,655.57

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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.