Home / 8,379.18-12,560.02-2,830.60

Finding the Fourth Proportional to 8,379.18, 12,560.02 and 2,830.60

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Solution

The fourth proportional to 8,379.18, 12,560.02 and 2,830.60 is: 4,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.18 : 12,560.02 = 2,830.60 : x
  2. Step 2: Convert to fraction form
    8,379.18/12,560.02 = 2,830.60/x
  3. Step 3: Cross multiply
    8,379.18x = 12,560.02 × 2,830.60
  4. Step 4: Simplify right side
    8,379.18x = 35,552,392.61
  5. Step 5: Solve for x
    x = 35,552,392.61/8,379.18
  6. Step 6: Final answer
    x = 4,242.94

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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.