Home / 7,799.76-10,758.36-4,654.80

Finding the Fourth Proportional to 7,799.76, 10,758.36 and 4,654.80

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Solution

The fourth proportional to 7,799.76, 10,758.36 and 4,654.80 is: 6,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.76 : 10,758.36 = 4,654.80 : x
  2. Step 2: Convert to fraction form
    7,799.76/10,758.36 = 4,654.80/x
  3. Step 3: Cross multiply
    7,799.76x = 10,758.36 × 4,654.80
  4. Step 4: Simplify right side
    7,799.76x = 50,078,014.13
  5. Step 5: Solve for x
    x = 50,078,014.13/7,799.76
  6. Step 6: Final answer
    x = 6,420.46

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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.