Home / 7,075.62-9,761.70-4,385.60

Finding the Fourth Proportional to 7,075.62, 9,761.70 and 4,385.60

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Solution

The fourth proportional to 7,075.62, 9,761.70 and 4,385.60 is: 6,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.62 : 9,761.70 = 4,385.60 : x
  2. Step 2: Convert to fraction form
    7,075.62/9,761.70 = 4,385.60/x
  3. Step 3: Cross multiply
    7,075.62x = 9,761.70 × 4,385.60
  4. Step 4: Simplify right side
    7,075.62x = 42,810,911.52
  5. Step 5: Solve for x
    x = 42,810,911.52/7,075.62
  6. Step 6: Final answer
    x = 6,050.48

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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.