Home / 6,779.19-9,341.55-5,257.62

Finding the Fourth Proportional to 6,779.19, 9,341.55 and 5,257.62

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Solution

The fourth proportional to 6,779.19, 9,341.55 and 5,257.62 is: 7,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.19 : 9,341.55 = 5,257.62 : x
  2. Step 2: Convert to fraction form
    6,779.19/9,341.55 = 5,257.62/x
  3. Step 3: Cross multiply
    6,779.19x = 9,341.55 × 5,257.62
  4. Step 4: Simplify right side
    6,779.19x = 49,114,320.11
  5. Step 5: Solve for x
    x = 49,114,320.11/6,779.19
  6. Step 6: Final answer
    x = 7,244.87

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Half scale
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Double scale
Find fourth proportional to 6,780.19, 9,342.93 and 5,258.62
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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.