Home / 9,260.45-12,779.34-5,011.42

Finding the Fourth Proportional to 9,260.45, 12,779.34 and 5,011.42

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Solution

The fourth proportional to 9,260.45, 12,779.34 and 5,011.42 is: 6,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.45 : 12,779.34 = 5,011.42 : x
  2. Step 2: Convert to fraction form
    9,260.45/12,779.34 = 5,011.42/x
  3. Step 3: Cross multiply
    9,260.45x = 12,779.34 × 5,011.42
  4. Step 4: Simplify right side
    9,260.45x = 64,042,613.28
  5. Step 5: Solve for x
    x = 64,042,613.28/9,260.45
  6. Step 6: Final answer
    x = 6,915.71

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Half scale
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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.