Home / 4,885.95-7,328.94-1,188.18

Finding the Fourth Proportional to 4,885.95, 7,328.94 and 1,188.18

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Solution

The fourth proportional to 4,885.95, 7,328.94 and 1,188.18 is: 1,782.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.95 : 7,328.94 = 1,188.18 : x
  2. Step 2: Convert to fraction form
    4,885.95/7,328.94 = 1,188.18/x
  3. Step 3: Cross multiply
    4,885.95x = 7,328.94 × 1,188.18
  4. Step 4: Simplify right side
    4,885.95x = 8,708,099.93
  5. Step 5: Solve for x
    x = 8,708,099.93/4,885.95
  6. Step 6: Final answer
    x = 1,782.27

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Half scale
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Double scale
Find fourth proportional to 4,886.95, 7,330.44 and 1,189.18
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.