Home / 6,135.19-8,466.81-3,483.12

Finding the Fourth Proportional to 6,135.19, 8,466.81 and 3,483.12

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Solution

The fourth proportional to 6,135.19, 8,466.81 and 3,483.12 is: 4,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.19 : 8,466.81 = 3,483.12 : x
  2. Step 2: Convert to fraction form
    6,135.19/8,466.81 = 3,483.12/x
  3. Step 3: Cross multiply
    6,135.19x = 8,466.81 × 3,483.12
  4. Step 4: Simplify right side
    6,135.19x = 29,490,915.25
  5. Step 5: Solve for x
    x = 29,490,915.25/6,135.19
  6. Step 6: Final answer
    x = 4,806.85

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Half scale
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Double scale
Find fourth proportional to 6,136.19, 8,468.19 and 3,484.12
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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.