Home / 7,430.25-10,253.75-4,446.21

Finding the Fourth Proportional to 7,430.25, 10,253.75 and 4,446.21

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Solution

The fourth proportional to 7,430.25, 10,253.75 and 4,446.21 is: 6,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.25 : 10,253.75 = 4,446.21 : x
  2. Step 2: Convert to fraction form
    7,430.25/10,253.75 = 4,446.21/x
  3. Step 3: Cross multiply
    7,430.25x = 10,253.75 × 4,446.21
  4. Step 4: Simplify right side
    7,430.25x = 45,590,303.56
  5. Step 5: Solve for x
    x = 45,590,303.56/7,430.25
  6. Step 6: Final answer
    x = 6,135.77

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Half scale
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Double scale
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Similar ratio
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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.