Home / 5,415.70-7,477.14-4,423.36

Finding the Fourth Proportional to 5,415.70, 7,477.14 and 4,423.36

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Solution

The fourth proportional to 5,415.70, 7,477.14 and 4,423.36 is: 6,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.70 : 7,477.14 = 4,423.36 : x
  2. Step 2: Convert to fraction form
    5,415.70/7,477.14 = 4,423.36/x
  3. Step 3: Cross multiply
    5,415.70x = 7,477.14 × 4,423.36
  4. Step 4: Simplify right side
    5,415.70x = 33,074,081.99
  5. Step 5: Solve for x
    x = 33,074,081.99/5,415.70
  6. Step 6: Final answer
    x = 6,107.07

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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.