Home / 4,127.32-5,678.81-3,565.99

Finding the Fourth Proportional to 4,127.32, 5,678.81 and 3,565.99

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Solution

The fourth proportional to 4,127.32, 5,678.81 and 3,565.99 is: 4,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.32 : 5,678.81 = 3,565.99 : x
  2. Step 2: Convert to fraction form
    4,127.32/5,678.81 = 3,565.99/x
  3. Step 3: Cross multiply
    4,127.32x = 5,678.81 × 3,565.99
  4. Step 4: Simplify right side
    4,127.32x = 20,250,582.31
  5. Step 5: Solve for x
    x = 20,250,582.31/4,127.32
  6. Step 6: Final answer
    x = 4,906.47

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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.