Home / 8,749.04-13,123.26-2,905.50

Finding the Fourth Proportional to 8,749.04, 13,123.26 and 2,905.50

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Solution

The fourth proportional to 8,749.04, 13,123.26 and 2,905.50 is: 4,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.04 : 13,123.26 = 2,905.50 : x
  2. Step 2: Convert to fraction form
    8,749.04/13,123.26 = 2,905.50/x
  3. Step 3: Cross multiply
    8,749.04x = 13,123.26 × 2,905.50
  4. Step 4: Simplify right side
    8,749.04x = 38,129,631.93
  5. Step 5: Solve for x
    x = 38,129,631.93/8,749.04
  6. Step 6: Final answer
    x = 4,358.15

Related Problems

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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.