Home / 7,635.40-10,537.30-4,279.30

Finding the Fourth Proportional to 7,635.40, 10,537.30 and 4,279.30

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Solution

The fourth proportional to 7,635.40, 10,537.30 and 4,279.30 is: 5,905.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.40 : 10,537.30 = 4,279.30 : x
  2. Step 2: Convert to fraction form
    7,635.40/10,537.30 = 4,279.30/x
  3. Step 3: Cross multiply
    7,635.40x = 10,537.30 × 4,279.30
  4. Step 4: Simplify right side
    7,635.40x = 45,092,267.89
  5. Step 5: Solve for x
    x = 45,092,267.89/7,635.40
  6. Step 6: Final answer
    x = 5,905.69

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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.