Home / 7,047.39-10,571.43-5,812.51

Finding the Fourth Proportional to 7,047.39, 10,571.43 and 5,812.51

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Solution

The fourth proportional to 7,047.39, 10,571.43 and 5,812.51 is: 8,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.39 : 10,571.43 = 5,812.51 : x
  2. Step 2: Convert to fraction form
    7,047.39/10,571.43 = 5,812.51/x
  3. Step 3: Cross multiply
    7,047.39x = 10,571.43 × 5,812.51
  4. Step 4: Simplify right side
    7,047.39x = 61,446,542.59
  5. Step 5: Solve for x
    x = 61,446,542.59/7,047.39
  6. Step 6: Final answer
    x = 8,719.05

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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.