Home / 4,321.38-6,440.96-4,075.32

Finding the Fourth Proportional to 4,321.38, 6,440.96 and 4,075.32

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Solution

The fourth proportional to 4,321.38, 6,440.96 and 4,075.32 is: 6,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.38 : 6,440.96 = 4,075.32 : x
  2. Step 2: Convert to fraction form
    4,321.38/6,440.96 = 4,075.32/x
  3. Step 3: Cross multiply
    4,321.38x = 6,440.96 × 4,075.32
  4. Step 4: Simplify right side
    4,321.38x = 26,248,952.73
  5. Step 5: Solve for x
    x = 26,248,952.73/4,321.38
  6. Step 6: Final answer
    x = 6,074.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.