Home / 4,320.48-6,478.53-1,685.95

Finding the Fourth Proportional to 4,320.48, 6,478.53 and 1,685.95

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Solution

The fourth proportional to 4,320.48, 6,478.53 and 1,685.95 is: 2,528.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.48 : 6,478.53 = 1,685.95 : x
  2. Step 2: Convert to fraction form
    4,320.48/6,478.53 = 1,685.95/x
  3. Step 3: Cross multiply
    4,320.48x = 6,478.53 × 1,685.95
  4. Step 4: Simplify right side
    4,320.48x = 10,922,450.95
  5. Step 5: Solve for x
    x = 10,922,450.95/4,320.48
  6. Step 6: Final answer
    x = 2,528.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.