Home / 7,312.36-10,080.56-5,212.84

Finding the Fourth Proportional to 7,312.36, 10,080.56 and 5,212.84

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Solution

The fourth proportional to 7,312.36, 10,080.56 and 5,212.84 is: 7,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.36 : 10,080.56 = 5,212.84 : x
  2. Step 2: Convert to fraction form
    7,312.36/10,080.56 = 5,212.84/x
  3. Step 3: Cross multiply
    7,312.36x = 10,080.56 × 5,212.84
  4. Step 4: Simplify right side
    7,312.36x = 52,548,346.39
  5. Step 5: Solve for x
    x = 52,548,346.39/7,312.36
  6. Step 6: Final answer
    x = 7,186.24

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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.