Home / 4,694.81-6,479.99-2,807.51

Finding the Fourth Proportional to 4,694.81, 6,479.99 and 2,807.51

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Solution

The fourth proportional to 4,694.81, 6,479.99 and 2,807.51 is: 3,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.81 : 6,479.99 = 2,807.51 : x
  2. Step 2: Convert to fraction form
    4,694.81/6,479.99 = 2,807.51/x
  3. Step 3: Cross multiply
    4,694.81x = 6,479.99 × 2,807.51
  4. Step 4: Simplify right side
    4,694.81x = 18,192,600.82
  5. Step 5: Solve for x
    x = 18,192,600.82/4,694.81
  6. Step 6: Final answer
    x = 3,875.05

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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.