Home / 4,678.40-6,455.62-2,582.39

Finding the Fourth Proportional to 4,678.40, 6,455.62 and 2,582.39

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Solution

The fourth proportional to 4,678.40, 6,455.62 and 2,582.39 is: 3,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.40 : 6,455.62 = 2,582.39 : x
  2. Step 2: Convert to fraction form
    4,678.40/6,455.62 = 2,582.39/x
  3. Step 3: Cross multiply
    4,678.40x = 6,455.62 × 2,582.39
  4. Step 4: Simplify right side
    4,678.40x = 16,670,928.53
  5. Step 5: Solve for x
    x = 16,670,928.53/4,678.40
  6. Step 6: Final answer
    x = 3,563.38

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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.