Home / 5,590.10-8,386.41-1,892.12

Finding the Fourth Proportional to 5,590.10, 8,386.41 and 1,892.12

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Solution

The fourth proportional to 5,590.10, 8,386.41 and 1,892.12 is: 2,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.10 : 8,386.41 = 1,892.12 : x
  2. Step 2: Convert to fraction form
    5,590.10/8,386.41 = 1,892.12/x
  3. Step 3: Cross multiply
    5,590.10x = 8,386.41 × 1,892.12
  4. Step 4: Simplify right side
    5,590.10x = 15,868,094.09
  5. Step 5: Solve for x
    x = 15,868,094.09/5,590.10
  6. Step 6: Final answer
    x = 2,838.61

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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.