Home / 4,678.81-6,450.28-3,260.45

Finding the Fourth Proportional to 4,678.81, 6,450.28 and 3,260.45

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Solution

The fourth proportional to 4,678.81, 6,450.28 and 3,260.45 is: 4,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.81 : 6,450.28 = 3,260.45 : x
  2. Step 2: Convert to fraction form
    4,678.81/6,450.28 = 3,260.45/x
  3. Step 3: Cross multiply
    4,678.81x = 6,450.28 × 3,260.45
  4. Step 4: Simplify right side
    4,678.81x = 21,030,841.74
  5. Step 5: Solve for x
    x = 21,030,841.74/4,678.81
  6. Step 6: Final answer
    x = 4,494.91

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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.