Home / 4,699.20-7,029.36-4,271.52

Finding the Fourth Proportional to 4,699.20, 7,029.36 and 4,271.52

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Solution

The fourth proportional to 4,699.20, 7,029.36 and 4,271.52 is: 6,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.20 : 7,029.36 = 4,271.52 : x
  2. Step 2: Convert to fraction form
    4,699.20/7,029.36 = 4,271.52/x
  3. Step 3: Cross multiply
    4,699.20x = 7,029.36 × 4,271.52
  4. Step 4: Simplify right side
    4,699.20x = 30,026,051.83
  5. Step 5: Solve for x
    x = 30,026,051.83/4,699.20
  6. Step 6: Final answer
    x = 6,389.61

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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.