Home / 9,177.73-12,665.26-4,985.98

Finding the Fourth Proportional to 9,177.73, 12,665.26 and 4,985.98

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Solution

The fourth proportional to 9,177.73, 12,665.26 and 4,985.98 is: 6,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.73 : 12,665.26 = 4,985.98 : x
  2. Step 2: Convert to fraction form
    9,177.73/12,665.26 = 4,985.98/x
  3. Step 3: Cross multiply
    9,177.73x = 12,665.26 × 4,985.98
  4. Step 4: Simplify right side
    9,177.73x = 63,148,733.05
  5. Step 5: Solve for x
    x = 63,148,733.05/9,177.73
  6. Step 6: Final answer
    x = 6,880.65

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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.