Home / 7,153.44-10,753.20-4,977.60

Finding the Fourth Proportional to 7,153.44, 10,753.20 and 4,977.60

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Solution

The fourth proportional to 7,153.44, 10,753.20 and 4,977.60 is: 7,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.44 : 10,753.20 = 4,977.60 : x
  2. Step 2: Convert to fraction form
    7,153.44/10,753.20 = 4,977.60/x
  3. Step 3: Cross multiply
    7,153.44x = 10,753.20 × 4,977.60
  4. Step 4: Simplify right side
    7,153.44x = 53,525,128.32
  5. Step 5: Solve for x
    x = 53,525,128.32/7,153.44
  6. Step 6: Final answer
    x = 7,482.43

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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.