Home / 7,430.12-10,253.78-4,286.52

Finding the Fourth Proportional to 7,430.12, 10,253.78 and 4,286.52

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Solution

The fourth proportional to 7,430.12, 10,253.78 and 4,286.52 is: 5,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.12 : 10,253.78 = 4,286.52 : x
  2. Step 2: Convert to fraction form
    7,430.12/10,253.78 = 4,286.52/x
  3. Step 3: Cross multiply
    7,430.12x = 10,253.78 × 4,286.52
  4. Step 4: Simplify right side
    7,430.12x = 43,953,033.05
  5. Step 5: Solve for x
    x = 43,953,033.05/7,430.12
  6. Step 6: Final answer
    x = 5,915.52

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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.