Home / 7,312.51-10,091.27-3,955.32

Finding the Fourth Proportional to 7,312.51, 10,091.27 and 3,955.32

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Solution

The fourth proportional to 7,312.51, 10,091.27 and 3,955.32 is: 5,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.51 : 10,091.27 = 3,955.32 : x
  2. Step 2: Convert to fraction form
    7,312.51/10,091.27 = 3,955.32/x
  3. Step 3: Cross multiply
    7,312.51x = 10,091.27 × 3,955.32
  4. Step 4: Simplify right side
    7,312.51x = 39,914,202.06
  5. Step 5: Solve for x
    x = 39,914,202.06/7,312.51
  6. Step 6: Final answer
    x = 5,458.34

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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.