Home / 5,590.16-7,714.36-3,106.16

Finding the Fourth Proportional to 5,590.16, 7,714.36 and 3,106.16

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Solution

The fourth proportional to 5,590.16, 7,714.36 and 3,106.16 is: 4,286.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.16 : 7,714.36 = 3,106.16 : x
  2. Step 2: Convert to fraction form
    5,590.16/7,714.36 = 3,106.16/x
  3. Step 3: Cross multiply
    5,590.16x = 7,714.36 × 3,106.16
  4. Step 4: Simplify right side
    5,590.16x = 23,962,036.46
  5. Step 5: Solve for x
    x = 23,962,036.46/5,590.16
  6. Step 6: Final answer
    x = 4,286.47

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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.