Home / 6,190.40-9,307.20-6,060.80

Finding the Fourth Proportional to 6,190.40, 9,307.20 and 6,060.80

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Solution

The fourth proportional to 6,190.40, 9,307.20 and 6,060.80 is: 9,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.40 : 9,307.20 = 6,060.80 : x
  2. Step 2: Convert to fraction form
    6,190.40/9,307.20 = 6,060.80/x
  3. Step 3: Cross multiply
    6,190.40x = 9,307.20 × 6,060.80
  4. Step 4: Simplify right side
    6,190.40x = 56,409,077.76
  5. Step 5: Solve for x
    x = 56,409,077.76/6,190.40
  6. Step 6: Final answer
    x = 9,112.35

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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.