Home / 7,477.20-10,310.90-4,958.45

Finding the Fourth Proportional to 7,477.20, 10,310.90 and 4,958.45

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Solution

The fourth proportional to 7,477.20, 10,310.90 and 4,958.45 is: 6,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.20 : 10,310.90 = 4,958.45 : x
  2. Step 2: Convert to fraction form
    7,477.20/10,310.90 = 4,958.45/x
  3. Step 3: Cross multiply
    7,477.20x = 10,310.90 × 4,958.45
  4. Step 4: Simplify right side
    7,477.20x = 51,126,005.76
  5. Step 5: Solve for x
    x = 51,126,005.76/7,477.20
  6. Step 6: Final answer
    x = 6,837.59

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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.