Home / 9,190.80-12,683.52-4,999.08

Finding the Fourth Proportional to 9,190.80, 12,683.52 and 4,999.08

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Solution

The fourth proportional to 9,190.80, 12,683.52 and 4,999.08 is: 6,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.80 : 12,683.52 = 4,999.08 : x
  2. Step 2: Convert to fraction form
    9,190.80/12,683.52 = 4,999.08/x
  3. Step 3: Cross multiply
    9,190.80x = 12,683.52 × 4,999.08
  4. Step 4: Simplify right side
    9,190.80x = 63,405,931.16
  5. Step 5: Solve for x
    x = 63,405,931.16/9,190.80
  6. Step 6: Final answer
    x = 6,898.85

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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.