Home / 6,454.80-8,907.96-3,803.04

Finding the Fourth Proportional to 6,454.80, 8,907.96 and 3,803.04

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Solution

The fourth proportional to 6,454.80, 8,907.96 and 3,803.04 is: 5,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.80 : 8,907.96 = 3,803.04 : x
  2. Step 2: Convert to fraction form
    6,454.80/8,907.96 = 3,803.04/x
  3. Step 3: Cross multiply
    6,454.80x = 8,907.96 × 3,803.04
  4. Step 4: Simplify right side
    6,454.80x = 33,877,328.20
  5. Step 5: Solve for x
    x = 33,877,328.20/6,454.80
  6. Step 6: Final answer
    x = 5,248.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.