Home / 6,260.79-8,638.12-3,607.69

Finding the Fourth Proportional to 6,260.79, 8,638.12 and 3,607.69

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Solution

The fourth proportional to 6,260.79, 8,638.12 and 3,607.69 is: 4,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.79 : 8,638.12 = 3,607.69 : x
  2. Step 2: Convert to fraction form
    6,260.79/8,638.12 = 3,607.69/x
  3. Step 3: Cross multiply
    6,260.79x = 8,638.12 × 3,607.69
  4. Step 4: Simplify right side
    6,260.79x = 31,163,648.11
  5. Step 5: Solve for x
    x = 31,163,648.11/6,260.79
  6. Step 6: Final answer
    x = 4,977.59

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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.