Home / 6,461.09-8,915.76-3,628.07

Finding the Fourth Proportional to 6,461.09, 8,915.76 and 3,628.07

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Solution

The fourth proportional to 6,461.09, 8,915.76 and 3,628.07 is: 5,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.09 : 8,915.76 = 3,628.07 : x
  2. Step 2: Convert to fraction form
    6,461.09/8,915.76 = 3,628.07/x
  3. Step 3: Cross multiply
    6,461.09x = 8,915.76 × 3,628.07
  4. Step 4: Simplify right side
    6,461.09x = 32,346,956.80
  5. Step 5: Solve for x
    x = 32,346,956.80/6,461.09
  6. Step 6: Final answer
    x = 5,006.43

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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.