Home / 4,677.55-6,456.31-2,908.10

Finding the Fourth Proportional to 4,677.55, 6,456.31 and 2,908.10

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Solution

The fourth proportional to 4,677.55, 6,456.31 and 2,908.10 is: 4,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.55 : 6,456.31 = 2,908.10 : x
  2. Step 2: Convert to fraction form
    4,677.55/6,456.31 = 2,908.10/x
  3. Step 3: Cross multiply
    4,677.55x = 6,456.31 × 2,908.10
  4. Step 4: Simplify right side
    4,677.55x = 18,775,603.98
  5. Step 5: Solve for x
    x = 18,775,603.98/4,677.55
  6. Step 6: Final answer
    x = 4,013.98

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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.