Home / 8,274.23-12,411.35-2,430.84

Finding the Fourth Proportional to 8,274.23, 12,411.35 and 2,430.84

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Solution

The fourth proportional to 8,274.23, 12,411.35 and 2,430.84 is: 3,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.23 : 12,411.35 = 2,430.84 : x
  2. Step 2: Convert to fraction form
    8,274.23/12,411.35 = 2,430.84/x
  3. Step 3: Cross multiply
    8,274.23x = 12,411.35 × 2,430.84
  4. Step 4: Simplify right side
    8,274.23x = 30,170,056.37
  5. Step 5: Solve for x
    x = 30,170,056.37/8,274.23
  6. Step 6: Final answer
    x = 3,646.27

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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.