Home / 5,182.81-7,146.63-3,501.30

Finding the Fourth Proportional to 5,182.81, 7,146.63 and 3,501.30

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Solution

The fourth proportional to 5,182.81, 7,146.63 and 3,501.30 is: 4,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.81 : 7,146.63 = 3,501.30 : x
  2. Step 2: Convert to fraction form
    5,182.81/7,146.63 = 3,501.30/x
  3. Step 3: Cross multiply
    5,182.81x = 7,146.63 × 3,501.30
  4. Step 4: Simplify right side
    5,182.81x = 25,022,442.38
  5. Step 5: Solve for x
    x = 25,022,442.38/5,182.81
  6. Step 6: Final answer
    x = 4,827.97

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Half scale
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Double scale
Find fourth proportional to 5,183.81, 7,148 and 3,502.30
Similar ratio
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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.