Home / 5,017.76-6,924.39-2,779.50

Finding the Fourth Proportional to 5,017.76, 6,924.39 and 2,779.50

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Solution

The fourth proportional to 5,017.76, 6,924.39 and 2,779.50 is: 3,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.76 : 6,924.39 = 2,779.50 : x
  2. Step 2: Convert to fraction form
    5,017.76/6,924.39 = 2,779.50/x
  3. Step 3: Cross multiply
    5,017.76x = 6,924.39 × 2,779.50
  4. Step 4: Simplify right side
    5,017.76x = 19,246,342.01
  5. Step 5: Solve for x
    x = 19,246,342.01/5,017.76
  6. Step 6: Final answer
    x = 3,835.64

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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.