Home / 5,263.51-7,263.61-2,905.65

Finding the Fourth Proportional to 5,263.51, 7,263.61 and 2,905.65

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Solution

The fourth proportional to 5,263.51, 7,263.61 and 2,905.65 is: 4,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.51 : 7,263.61 = 2,905.65 : x
  2. Step 2: Convert to fraction form
    5,263.51/7,263.61 = 2,905.65/x
  3. Step 3: Cross multiply
    5,263.51x = 7,263.61 × 2,905.65
  4. Step 4: Simplify right side
    5,263.51x = 21,105,508.40
  5. Step 5: Solve for x
    x = 21,105,508.40/5,263.51
  6. Step 6: Final answer
    x = 4,009.78

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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.