Home / 6,519.36-8,993.37-4,280.91

Finding the Fourth Proportional to 6,519.36, 8,993.37 and 4,280.91

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Solution

The fourth proportional to 6,519.36, 8,993.37 and 4,280.91 is: 5,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.36 : 8,993.37 = 4,280.91 : x
  2. Step 2: Convert to fraction form
    6,519.36/8,993.37 = 4,280.91/x
  3. Step 3: Cross multiply
    6,519.36x = 8,993.37 × 4,280.91
  4. Step 4: Simplify right side
    6,519.36x = 38,499,807.57
  5. Step 5: Solve for x
    x = 38,499,807.57/6,519.36
  6. Step 6: Final answer
    x = 5,905.46

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Double scale
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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.