Home / 4,477.86-6,178.95-2,488.35

Finding the Fourth Proportional to 4,477.86, 6,178.95 and 2,488.35

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Solution

The fourth proportional to 4,477.86, 6,178.95 and 2,488.35 is: 3,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.86 : 6,178.95 = 2,488.35 : x
  2. Step 2: Convert to fraction form
    4,477.86/6,178.95 = 2,488.35/x
  3. Step 3: Cross multiply
    4,477.86x = 6,178.95 × 2,488.35
  4. Step 4: Simplify right side
    4,477.86x = 15,375,390.23
  5. Step 5: Solve for x
    x = 15,375,390.23/4,477.86
  6. Step 6: Final answer
    x = 3,433.65

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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.