Home / 5,302.78-7,318.74-3,064.28

Finding the Fourth Proportional to 5,302.78, 7,318.74 and 3,064.28

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Solution

The fourth proportional to 5,302.78, 7,318.74 and 3,064.28 is: 4,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.78 : 7,318.74 = 3,064.28 : x
  2. Step 2: Convert to fraction form
    5,302.78/7,318.74 = 3,064.28/x
  3. Step 3: Cross multiply
    5,302.78x = 7,318.74 × 3,064.28
  4. Step 4: Simplify right side
    5,302.78x = 22,426,668.61
  5. Step 5: Solve for x
    x = 22,426,668.61/5,302.78
  6. Step 6: Final answer
    x = 4,229.23

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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.