Home / 6,607.20-9,896.40-5,877.60

Finding the Fourth Proportional to 6,607.20, 9,896.40 and 5,877.60

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Solution

The fourth proportional to 6,607.20, 9,896.40 and 5,877.60 is: 8,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.20 : 9,896.40 = 5,877.60 : x
  2. Step 2: Convert to fraction form
    6,607.20/9,896.40 = 5,877.60/x
  3. Step 3: Cross multiply
    6,607.20x = 9,896.40 × 5,877.60
  4. Step 4: Simplify right side
    6,607.20x = 58,167,080.64
  5. Step 5: Solve for x
    x = 58,167,080.64/6,607.20
  6. Step 6: Final answer
    x = 8,803.59

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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.