Home / 6,740.20-9,259.67-5,557.60

Finding the Fourth Proportional to 6,740.20, 9,259.67 and 5,557.60

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Solution

The fourth proportional to 6,740.20, 9,259.67 and 5,557.60 is: 7,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.20 : 9,259.67 = 5,557.60 : x
  2. Step 2: Convert to fraction form
    6,740.20/9,259.67 = 5,557.60/x
  3. Step 3: Cross multiply
    6,740.20x = 9,259.67 × 5,557.60
  4. Step 4: Simplify right side
    6,740.20x = 51,461,541.99
  5. Step 5: Solve for x
    x = 51,461,541.99/6,740.20
  6. Step 6: Final answer
    x = 7,635.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.