Home / 7,430.09-10,253.52-4,286.28

Finding the Fourth Proportional to 7,430.09, 10,253.52 and 4,286.28

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Solution

The fourth proportional to 7,430.09, 10,253.52 and 4,286.28 is: 5,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.09 : 10,253.52 = 4,286.28 : x
  2. Step 2: Convert to fraction form
    7,430.09/10,253.52 = 4,286.28/x
  3. Step 3: Cross multiply
    7,430.09x = 10,253.52 × 4,286.28
  4. Step 4: Simplify right side
    7,430.09x = 43,949,457.71
  5. Step 5: Solve for x
    x = 43,949,457.71/7,430.09
  6. Step 6: Final answer
    x = 5,915.06

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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.