Home / 4,329.42-6,490.24-1,555.44

Finding the Fourth Proportional to 4,329.42, 6,490.24 and 1,555.44

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Solution

The fourth proportional to 4,329.42, 6,490.24 and 1,555.44 is: 2,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.42 : 6,490.24 = 1,555.44 : x
  2. Step 2: Convert to fraction form
    4,329.42/6,490.24 = 1,555.44/x
  3. Step 3: Cross multiply
    4,329.42x = 6,490.24 × 1,555.44
  4. Step 4: Simplify right side
    4,329.42x = 10,095,178.91
  5. Step 5: Solve for x
    x = 10,095,178.91/4,329.42
  6. Step 6: Final answer
    x = 2,331.76

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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.