Home / 7,210.84-9,951.92-4,227.85

Finding the Fourth Proportional to 7,210.84, 9,951.92 and 4,227.85

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Solution

The fourth proportional to 7,210.84, 9,951.92 and 4,227.85 is: 5,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.84 : 9,951.92 = 4,227.85 : x
  2. Step 2: Convert to fraction form
    7,210.84/9,951.92 = 4,227.85/x
  3. Step 3: Cross multiply
    7,210.84x = 9,951.92 × 4,227.85
  4. Step 4: Simplify right side
    7,210.84x = 42,075,224.97
  5. Step 5: Solve for x
    x = 42,075,224.97/7,210.84
  6. Step 6: Final answer
    x = 5,835.00

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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.