Home / 7,799.34-11,703.06-3,638.16

Finding the Fourth Proportional to 7,799.34, 11,703.06 and 3,638.16

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Solution

The fourth proportional to 7,799.34, 11,703.06 and 3,638.16 is: 5,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.34 : 11,703.06 = 3,638.16 : x
  2. Step 2: Convert to fraction form
    7,799.34/11,703.06 = 3,638.16/x
  3. Step 3: Cross multiply
    7,799.34x = 11,703.06 × 3,638.16
  4. Step 4: Simplify right side
    7,799.34x = 42,577,604.77
  5. Step 5: Solve for x
    x = 42,577,604.77/7,799.34
  6. Step 6: Final answer
    x = 5,459.13

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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.