Home / 6,260.60-8,638.16-4,275.30

Finding the Fourth Proportional to 6,260.60, 8,638.16 and 4,275.30

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Solution

The fourth proportional to 6,260.60, 8,638.16 and 4,275.30 is: 5,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.60 : 8,638.16 = 4,275.30 : x
  2. Step 2: Convert to fraction form
    6,260.60/8,638.16 = 4,275.30/x
  3. Step 3: Cross multiply
    6,260.60x = 8,638.16 × 4,275.30
  4. Step 4: Simplify right side
    6,260.60x = 36,930,725.45
  5. Step 5: Solve for x
    x = 36,930,725.45/6,260.60
  6. Step 6: Final answer
    x = 5,898.91

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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.