Home / 8,176.10-12,235.80-4,891.55

Finding the Fourth Proportional to 8,176.10, 12,235.80 and 4,891.55

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Solution

The fourth proportional to 8,176.10, 12,235.80 and 4,891.55 is: 7,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.10 : 12,235.80 = 4,891.55 : x
  2. Step 2: Convert to fraction form
    8,176.10/12,235.80 = 4,891.55/x
  3. Step 3: Cross multiply
    8,176.10x = 12,235.80 × 4,891.55
  4. Step 4: Simplify right side
    8,176.10x = 59,852,027.49
  5. Step 5: Solve for x
    x = 59,852,027.49/8,176.10
  6. Step 6: Final answer
    x = 7,320.36

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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.