Home / 6,320.81-9,485.45-4,761.96

Finding the Fourth Proportional to 6,320.81, 9,485.45 and 4,761.96

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Solution

The fourth proportional to 6,320.81, 9,485.45 and 4,761.96 is: 7,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.81 : 9,485.45 = 4,761.96 : x
  2. Step 2: Convert to fraction form
    6,320.81/9,485.45 = 4,761.96/x
  3. Step 3: Cross multiply
    6,320.81x = 9,485.45 × 4,761.96
  4. Step 4: Simplify right side
    6,320.81x = 45,169,309.67
  5. Step 5: Solve for x
    x = 45,169,309.67/6,320.81
  6. Step 6: Final answer
    x = 7,146.13

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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.