Home / 7,499.85-10,351.80-4,313.50

Finding the Fourth Proportional to 7,499.85, 10,351.80 and 4,313.50

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Solution

The fourth proportional to 7,499.85, 10,351.80 and 4,313.50 is: 5,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.85 : 10,351.80 = 4,313.50 : x
  2. Step 2: Convert to fraction form
    7,499.85/10,351.80 = 4,313.50/x
  3. Step 3: Cross multiply
    7,499.85x = 10,351.80 × 4,313.50
  4. Step 4: Simplify right side
    7,499.85x = 44,652,415.97
  5. Step 5: Solve for x
    x = 44,652,415.97/7,499.85
  6. Step 6: Final answer
    x = 5,953.77

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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.