Home / 4,579.39-6,315.60-2,898.91

Finding the Fourth Proportional to 4,579.39, 6,315.60 and 2,898.91

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Solution

The fourth proportional to 4,579.39, 6,315.60 and 2,898.91 is: 3,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.39 : 6,315.60 = 2,898.91 : x
  2. Step 2: Convert to fraction form
    4,579.39/6,315.60 = 2,898.91/x
  3. Step 3: Cross multiply
    4,579.39x = 6,315.60 × 2,898.91
  4. Step 4: Simplify right side
    4,579.39x = 18,308,356.00
  5. Step 5: Solve for x
    x = 18,308,356.00/4,579.39
  6. Step 6: Final answer
    x = 3,997.99

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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.