Home / 4,538.76-6,261.52-3,120.16

Finding the Fourth Proportional to 4,538.76, 6,261.52 and 3,120.16

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Solution

The fourth proportional to 4,538.76, 6,261.52 and 3,120.16 is: 4,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.76 : 6,261.52 = 3,120.16 : x
  2. Step 2: Convert to fraction form
    4,538.76/6,261.52 = 3,120.16/x
  3. Step 3: Cross multiply
    4,538.76x = 6,261.52 × 3,120.16
  4. Step 4: Simplify right side
    4,538.76x = 19,536,944.24
  5. Step 5: Solve for x
    x = 19,536,944.24/4,538.76
  6. Step 6: Final answer
    x = 4,304.47

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Half scale
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Double scale
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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.