Home / 4,821.56-7,231.52-1,358

Finding the Fourth Proportional to 4,821.56, 7,231.52 and 1,358

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Solution

The fourth proportional to 4,821.56, 7,231.52 and 1,358 is: 2,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.56 : 7,231.52 = 1,358 : x
  2. Step 2: Convert to fraction form
    4,821.56/7,231.52 = 1,358/x
  3. Step 3: Cross multiply
    4,821.56x = 7,231.52 × 1,358
  4. Step 4: Simplify right side
    4,821.56x = 9,820,404.16
  5. Step 5: Solve for x
    x = 9,820,404.16/4,821.56
  6. Step 6: Final answer
    x = 2,036.77

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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.