Home / 5,015.63-6,920.59-2,777.40

Finding the Fourth Proportional to 5,015.63, 6,920.59 and 2,777.40

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Solution

The fourth proportional to 5,015.63, 6,920.59 and 2,777.40 is: 3,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.63 : 6,920.59 = 2,777.40 : x
  2. Step 2: Convert to fraction form
    5,015.63/6,920.59 = 2,777.40/x
  3. Step 3: Cross multiply
    5,015.63x = 6,920.59 × 2,777.40
  4. Step 4: Simplify right side
    5,015.63x = 19,221,246.67
  5. Step 5: Solve for x
    x = 19,221,246.67/5,015.63
  6. Step 6: Final answer
    x = 3,832.27

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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.