Home / 6,530.96-9,009.36-4,170.60

Finding the Fourth Proportional to 6,530.96, 9,009.36 and 4,170.60

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Solution

The fourth proportional to 6,530.96, 9,009.36 and 4,170.60 is: 5,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.96 : 9,009.36 = 4,170.60 : x
  2. Step 2: Convert to fraction form
    6,530.96/9,009.36 = 4,170.60/x
  3. Step 3: Cross multiply
    6,530.96x = 9,009.36 × 4,170.60
  4. Step 4: Simplify right side
    6,530.96x = 37,574,436.82
  5. Step 5: Solve for x
    x = 37,574,436.82/6,530.96
  6. Step 6: Final answer
    x = 5,753.28

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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.