Home / 4,709.05-6,513.96-4,389.91

Finding the Fourth Proportional to 4,709.05, 6,513.96 and 4,389.91

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Solution

The fourth proportional to 4,709.05, 6,513.96 and 4,389.91 is: 6,072.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.05 : 6,513.96 = 4,389.91 : x
  2. Step 2: Convert to fraction form
    4,709.05/6,513.96 = 4,389.91/x
  3. Step 3: Cross multiply
    4,709.05x = 6,513.96 × 4,389.91
  4. Step 4: Simplify right side
    4,709.05x = 28,595,698.14
  5. Step 5: Solve for x
    x = 28,595,698.14/4,709.05
  6. Step 6: Final answer
    x = 6,072.50

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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.