Home / 6,557.28-9,055.44-5,607.56

Finding the Fourth Proportional to 6,557.28, 9,055.44 and 5,607.56

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Solution

The fourth proportional to 6,557.28, 9,055.44 and 5,607.56 is: 7,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.28 : 9,055.44 = 5,607.56 : x
  2. Step 2: Convert to fraction form
    6,557.28/9,055.44 = 5,607.56/x
  3. Step 3: Cross multiply
    6,557.28x = 9,055.44 × 5,607.56
  4. Step 4: Simplify right side
    6,557.28x = 50,778,923.13
  5. Step 5: Solve for x
    x = 50,778,923.13/6,557.28
  6. Step 6: Final answer
    x = 7,743.90

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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.