Home / 6,105.70-9,158.55-5,303.80

Finding the Fourth Proportional to 6,105.70, 9,158.55 and 5,303.80

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Solution

The fourth proportional to 6,105.70, 9,158.55 and 5,303.80 is: 7,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.70 : 9,158.55 = 5,303.80 : x
  2. Step 2: Convert to fraction form
    6,105.70/9,158.55 = 5,303.80/x
  3. Step 3: Cross multiply
    6,105.70x = 9,158.55 × 5,303.80
  4. Step 4: Simplify right side
    6,105.70x = 48,575,117.49
  5. Step 5: Solve for x
    x = 48,575,117.49/6,105.70
  6. Step 6: Final answer
    x = 7,955.70

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Similar ratio
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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.