Home / 4,477.65-6,178.91-2,488.15

Finding the Fourth Proportional to 4,477.65, 6,178.91 and 2,488.15

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Solution

The fourth proportional to 4,477.65, 6,178.91 and 2,488.15 is: 3,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.65 : 6,178.91 = 2,488.15 : x
  2. Step 2: Convert to fraction form
    4,477.65/6,178.91 = 2,488.15/x
  3. Step 3: Cross multiply
    4,477.65x = 6,178.91 × 2,488.15
  4. Step 4: Simplify right side
    4,477.65x = 15,374,054.92
  5. Step 5: Solve for x
    x = 15,374,054.92/4,477.65
  6. Step 6: Final answer
    x = 3,433.51

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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.