Home / 7,679.79-10,598.39-4,277.10

Finding the Fourth Proportional to 7,679.79, 10,598.39 and 4,277.10

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Solution

The fourth proportional to 7,679.79, 10,598.39 and 4,277.10 is: 5,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.79 : 10,598.39 = 4,277.10 : x
  2. Step 2: Convert to fraction form
    7,679.79/10,598.39 = 4,277.10/x
  3. Step 3: Cross multiply
    7,679.79x = 10,598.39 × 4,277.10
  4. Step 4: Simplify right side
    7,679.79x = 45,330,373.87
  5. Step 5: Solve for x
    x = 45,330,373.87/7,679.79
  6. Step 6: Final answer
    x = 5,902.55

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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.