Home / 5,077.04-7,005.78-2,838.68

Finding the Fourth Proportional to 5,077.04, 7,005.78 and 2,838.68

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Solution

The fourth proportional to 5,077.04, 7,005.78 and 2,838.68 is: 3,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.04 : 7,005.78 = 2,838.68 : x
  2. Step 2: Convert to fraction form
    5,077.04/7,005.78 = 2,838.68/x
  3. Step 3: Cross multiply
    5,077.04x = 7,005.78 × 2,838.68
  4. Step 4: Simplify right side
    5,077.04x = 19,887,167.57
  5. Step 5: Solve for x
    x = 19,887,167.57/5,077.04
  6. Step 6: Final answer
    x = 3,917.08

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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.