Home / 4,677.80-6,455.84-2,688.44

Finding the Fourth Proportional to 4,677.80, 6,455.84 and 2,688.44

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Solution

The fourth proportional to 4,677.80, 6,455.84 and 2,688.44 is: 3,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.80 : 6,455.84 = 2,688.44 : x
  2. Step 2: Convert to fraction form
    4,677.80/6,455.84 = 2,688.44/x
  3. Step 3: Cross multiply
    4,677.80x = 6,455.84 × 2,688.44
  4. Step 4: Simplify right side
    4,677.80x = 17,356,092.77
  5. Step 5: Solve for x
    x = 17,356,092.77/4,677.80
  6. Step 6: Final answer
    x = 3,710.31

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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.