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Finding the Fourth Proportional to 5,267.95, 7,900.23 and 2,929.07

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Solution

The fourth proportional to 5,267.95, 7,900.23 and 2,929.07 is: 4,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.95 : 7,900.23 = 2,929.07 : x
  2. Step 2: Convert to fraction form
    5,267.95/7,900.23 = 2,929.07/x
  3. Step 3: Cross multiply
    5,267.95x = 7,900.23 × 2,929.07
  4. Step 4: Simplify right side
    5,267.95x = 23,140,326.69
  5. Step 5: Solve for x
    x = 23,140,326.69/5,267.95
  6. Step 6: Final answer
    x = 4,392.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.