Home / 5,263.26-7,263.40-2,905.50

Finding the Fourth Proportional to 5,263.26, 7,263.40 and 2,905.50

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Solution

The fourth proportional to 5,263.26, 7,263.40 and 2,905.50 is: 4,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.26 : 7,263.40 = 2,905.50 : x
  2. Step 2: Convert to fraction form
    5,263.26/7,263.40 = 2,905.50/x
  3. Step 3: Cross multiply
    5,263.26x = 7,263.40 × 2,905.50
  4. Step 4: Simplify right side
    5,263.26x = 21,103,808.70
  5. Step 5: Solve for x
    x = 21,103,808.70/5,263.26
  6. Step 6: Final answer
    x = 4,009.65

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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.