Home / 6,461.19-8,915.79-3,628.35

Finding the Fourth Proportional to 6,461.19, 8,915.79 and 3,628.35

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Solution

The fourth proportional to 6,461.19, 8,915.79 and 3,628.35 is: 5,006.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.19 : 8,915.79 = 3,628.35 : x
  2. Step 2: Convert to fraction form
    6,461.19/8,915.79 = 3,628.35/x
  3. Step 3: Cross multiply
    6,461.19x = 8,915.79 × 3,628.35
  4. Step 4: Simplify right side
    6,461.19x = 32,349,620.25
  5. Step 5: Solve for x
    x = 32,349,620.25/6,461.19
  6. Step 6: Final answer
    x = 5,006.76

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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.