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Finding the Fourth Proportional to 7,798.58, 10,762.03 and 4,261.78

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Solution

The fourth proportional to 7,798.58, 10,762.03 and 4,261.78 is: 5,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.58 : 10,762.03 = 4,261.78 : x
  2. Step 2: Convert to fraction form
    7,798.58/10,762.03 = 4,261.78/x
  3. Step 3: Cross multiply
    7,798.58x = 10,762.03 × 4,261.78
  4. Step 4: Simplify right side
    7,798.58x = 45,865,422.99
  5. Step 5: Solve for x
    x = 45,865,422.99/7,798.58
  6. Step 6: Final answer
    x = 5,881.25

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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.