Home / 5,014.79-6,919.89-2,776.07

Finding the Fourth Proportional to 5,014.79, 6,919.89 and 2,776.07

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Solution

The fourth proportional to 5,014.79, 6,919.89 and 2,776.07 is: 3,830.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.79 : 6,919.89 = 2,776.07 : x
  2. Step 2: Convert to fraction form
    5,014.79/6,919.89 = 2,776.07/x
  3. Step 3: Cross multiply
    5,014.79x = 6,919.89 × 2,776.07
  4. Step 4: Simplify right side
    5,014.79x = 19,210,064.43
  5. Step 5: Solve for x
    x = 19,210,064.43/5,014.79
  6. Step 6: Final answer
    x = 3,830.69

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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.