Home / 5,580.72-8,369.46-1,686.24

Finding the Fourth Proportional to 5,580.72, 8,369.46 and 1,686.24

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Solution

The fourth proportional to 5,580.72, 8,369.46 and 1,686.24 is: 2,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.72 : 8,369.46 = 1,686.24 : x
  2. Step 2: Convert to fraction form
    5,580.72/8,369.46 = 1,686.24/x
  3. Step 3: Cross multiply
    5,580.72x = 8,369.46 × 1,686.24
  4. Step 4: Simplify right side
    5,580.72x = 14,112,918.23
  5. Step 5: Solve for x
    x = 14,112,918.23/5,580.72
  6. Step 6: Final answer
    x = 2,528.87

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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.