Home / 5,262.60-7,262.34-2,904.78

Finding the Fourth Proportional to 5,262.60, 7,262.34 and 2,904.78

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Solution

The fourth proportional to 5,262.60, 7,262.34 and 2,904.78 is: 4,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.60 : 7,262.34 = 2,904.78 : x
  2. Step 2: Convert to fraction form
    5,262.60/7,262.34 = 2,904.78/x
  3. Step 3: Cross multiply
    5,262.60x = 7,262.34 × 2,904.78
  4. Step 4: Simplify right side
    5,262.60x = 21,095,499.99
  5. Step 5: Solve for x
    x = 21,095,499.99/5,262.60
  6. Step 6: Final answer
    x = 4,008.57

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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.