Home / 4,429.48-6,643.98-4,374.76

Finding the Fourth Proportional to 4,429.48, 6,643.98 and 4,374.76

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Solution

The fourth proportional to 4,429.48, 6,643.98 and 4,374.76 is: 6,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.48 : 6,643.98 = 4,374.76 : x
  2. Step 2: Convert to fraction form
    4,429.48/6,643.98 = 4,374.76/x
  3. Step 3: Cross multiply
    4,429.48x = 6,643.98 × 4,374.76
  4. Step 4: Simplify right side
    4,429.48x = 29,065,817.94
  5. Step 5: Solve for x
    x = 29,065,817.94/4,429.48
  6. Step 6: Final answer
    x = 6,561.90

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1.5x scale

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.