Home / 7,071.36-10,587.60-5,334.72

Finding the Fourth Proportional to 7,071.36, 10,587.60 and 5,334.72

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Solution

The fourth proportional to 7,071.36, 10,587.60 and 5,334.72 is: 7,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.36 : 10,587.60 = 5,334.72 : x
  2. Step 2: Convert to fraction form
    7,071.36/10,587.60 = 5,334.72/x
  3. Step 3: Cross multiply
    7,071.36x = 10,587.60 × 5,334.72
  4. Step 4: Simplify right side
    7,071.36x = 56,481,881.47
  5. Step 5: Solve for x
    x = 56,481,881.47/7,071.36
  6. Step 6: Final answer
    x = 7,987.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.