Home / 4,078.58-5,628.47-2,400.06

Finding the Fourth Proportional to 4,078.58, 5,628.47 and 2,400.06

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Solution

The fourth proportional to 4,078.58, 5,628.47 and 2,400.06 is: 3,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.58 : 5,628.47 = 2,400.06 : x
  2. Step 2: Convert to fraction form
    4,078.58/5,628.47 = 2,400.06/x
  3. Step 3: Cross multiply
    4,078.58x = 5,628.47 × 2,400.06
  4. Step 4: Simplify right side
    4,078.58x = 13,508,653.71
  5. Step 5: Solve for x
    x = 13,508,653.71/4,078.58
  6. Step 6: Final answer
    x = 3,312.10

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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.