Home / 7,799.49-11,707.34-5,220.45

Finding the Fourth Proportional to 7,799.49, 11,707.34 and 5,220.45

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Solution

The fourth proportional to 7,799.49, 11,707.34 and 5,220.45 is: 7,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.49 : 11,707.34 = 5,220.45 : x
  2. Step 2: Convert to fraction form
    7,799.49/11,707.34 = 5,220.45/x
  3. Step 3: Cross multiply
    7,799.49x = 11,707.34 × 5,220.45
  4. Step 4: Simplify right side
    7,799.49x = 61,117,557.00
  5. Step 5: Solve for x
    x = 61,117,557.00/7,799.49
  6. Step 6: Final answer
    x = 7,836.10

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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.