Home / 7,740.07-11,598.76-4,809.49

Finding the Fourth Proportional to 7,740.07, 11,598.76 and 4,809.49

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Solution

The fourth proportional to 7,740.07, 11,598.76 and 4,809.49 is: 7,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.07 : 11,598.76 = 4,809.49 : x
  2. Step 2: Convert to fraction form
    7,740.07/11,598.76 = 4,809.49/x
  3. Step 3: Cross multiply
    7,740.07x = 11,598.76 × 4,809.49
  4. Step 4: Simplify right side
    7,740.07x = 55,784,120.23
  5. Step 5: Solve for x
    x = 55,784,120.23/7,740.07
  6. Step 6: Final answer
    x = 7,207.19

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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.