Home / 7,250.81-10,857.31-3,957.11

Finding the Fourth Proportional to 7,250.81, 10,857.31 and 3,957.11

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Solution

The fourth proportional to 7,250.81, 10,857.31 and 3,957.11 is: 5,925.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.81 : 10,857.31 = 3,957.11 : x
  2. Step 2: Convert to fraction form
    7,250.81/10,857.31 = 3,957.11/x
  3. Step 3: Cross multiply
    7,250.81x = 10,857.31 × 3,957.11
  4. Step 4: Simplify right side
    7,250.81x = 42,963,505.79
  5. Step 5: Solve for x
    x = 42,963,505.79/7,250.81
  6. Step 6: Final answer
    x = 5,925.34

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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.