Home / 9,190.74-12,683.16-4,998.98

Finding the Fourth Proportional to 9,190.74, 12,683.16 and 4,998.98

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Solution

The fourth proportional to 9,190.74, 12,683.16 and 4,998.98 is: 6,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.74 : 12,683.16 = 4,998.98 : x
  2. Step 2: Convert to fraction form
    9,190.74/12,683.16 = 4,998.98/x
  3. Step 3: Cross multiply
    9,190.74x = 12,683.16 × 4,998.98
  4. Step 4: Simplify right side
    9,190.74x = 63,402,863.18
  5. Step 5: Solve for x
    x = 63,402,863.18/9,190.74
  6. Step 6: Final answer
    x = 6,898.56

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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.