Home / 4,213.40-6,325.56-3,240.18

Finding the Fourth Proportional to 4,213.40, 6,325.56 and 3,240.18

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Solution

The fourth proportional to 4,213.40, 6,325.56 and 3,240.18 is: 4,864.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.40 : 6,325.56 = 3,240.18 : x
  2. Step 2: Convert to fraction form
    4,213.40/6,325.56 = 3,240.18/x
  3. Step 3: Cross multiply
    4,213.40x = 6,325.56 × 3,240.18
  4. Step 4: Simplify right side
    4,213.40x = 20,495,953.00
  5. Step 5: Solve for x
    x = 20,495,953.00/4,213.40
  6. Step 6: Final answer
    x = 4,864.47

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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.