Home / 7,125.28-10,676.98-4,347.79

Finding the Fourth Proportional to 7,125.28, 10,676.98 and 4,347.79

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Solution

The fourth proportional to 7,125.28, 10,676.98 and 4,347.79 is: 6,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.28 : 10,676.98 = 4,347.79 : x
  2. Step 2: Convert to fraction form
    7,125.28/10,676.98 = 4,347.79/x
  3. Step 3: Cross multiply
    7,125.28x = 10,676.98 × 4,347.79
  4. Step 4: Simplify right side
    7,125.28x = 46,421,245.62
  5. Step 5: Solve for x
    x = 46,421,245.62/7,125.28
  6. Step 6: Final answer
    x = 6,515.01

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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.