Home / 7,742.18-11,613.33-1,898.79

Finding the Fourth Proportional to 7,742.18, 11,613.33 and 1,898.79

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Solution

The fourth proportional to 7,742.18, 11,613.33 and 1,898.79 is: 2,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.18 : 11,613.33 = 1,898.79 : x
  2. Step 2: Convert to fraction form
    7,742.18/11,613.33 = 1,898.79/x
  3. Step 3: Cross multiply
    7,742.18x = 11,613.33 × 1,898.79
  4. Step 4: Simplify right side
    7,742.18x = 22,051,274.87
  5. Step 5: Solve for x
    x = 22,051,274.87/7,742.18
  6. Step 6: Final answer
    x = 2,848.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.