Home / 5,018.07-6,924.81-2,779.90

Finding the Fourth Proportional to 5,018.07, 6,924.81 and 2,779.90

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Solution

The fourth proportional to 5,018.07, 6,924.81 and 2,779.90 is: 3,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.07 : 6,924.81 = 2,779.90 : x
  2. Step 2: Convert to fraction form
    5,018.07/6,924.81 = 2,779.90/x
  3. Step 3: Cross multiply
    5,018.07x = 6,924.81 × 2,779.90
  4. Step 4: Simplify right side
    5,018.07x = 19,250,279.32
  5. Step 5: Solve for x
    x = 19,250,279.32/5,018.07
  6. Step 6: Final answer
    x = 3,836.19

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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.