Home / 7,227.90-10,829.70-4,761.45

Finding the Fourth Proportional to 7,227.90, 10,829.70 and 4,761.45

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Solution

The fourth proportional to 7,227.90, 10,829.70 and 4,761.45 is: 7,134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.90 : 10,829.70 = 4,761.45 : x
  2. Step 2: Convert to fraction form
    7,227.90/10,829.70 = 4,761.45/x
  3. Step 3: Cross multiply
    7,227.90x = 10,829.70 × 4,761.45
  4. Step 4: Simplify right side
    7,227.90x = 51,565,075.07
  5. Step 5: Solve for x
    x = 51,565,075.07/7,227.90
  6. Step 6: Final answer
    x = 7,134.17

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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.