Home / 4,780.44-6,580.44-4,158.36

Finding the Fourth Proportional to 4,780.44, 6,580.44 and 4,158.36

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Solution

The fourth proportional to 4,780.44, 6,580.44 and 4,158.36 is: 5,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.44 : 6,580.44 = 4,158.36 : x
  2. Step 2: Convert to fraction form
    4,780.44/6,580.44 = 4,158.36/x
  3. Step 3: Cross multiply
    4,780.44x = 6,580.44 × 4,158.36
  4. Step 4: Simplify right side
    4,780.44x = 27,363,838.48
  5. Step 5: Solve for x
    x = 27,363,838.48/4,780.44
  6. Step 6: Final answer
    x = 5,724.13

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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.