Home / 7,409.52-10,221.48-5,054.76

Finding the Fourth Proportional to 7,409.52, 10,221.48 and 5,054.76

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Solution

The fourth proportional to 7,409.52, 10,221.48 and 5,054.76 is: 6,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.52 : 10,221.48 = 5,054.76 : x
  2. Step 2: Convert to fraction form
    7,409.52/10,221.48 = 5,054.76/x
  3. Step 3: Cross multiply
    7,409.52x = 10,221.48 × 5,054.76
  4. Step 4: Simplify right side
    7,409.52x = 51,667,128.24
  5. Step 5: Solve for x
    x = 51,667,128.24/7,409.52
  6. Step 6: Final answer
    x = 6,973.07

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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.