Home / 7,149.07-10,711.74-5,058.71

Finding the Fourth Proportional to 7,149.07, 10,711.74 and 5,058.71

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Solution

The fourth proportional to 7,149.07, 10,711.74 and 5,058.71 is: 7,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.07 : 10,711.74 = 5,058.71 : x
  2. Step 2: Convert to fraction form
    7,149.07/10,711.74 = 5,058.71/x
  3. Step 3: Cross multiply
    7,149.07x = 10,711.74 × 5,058.71
  4. Step 4: Simplify right side
    7,149.07x = 54,187,572.12
  5. Step 5: Solve for x
    x = 54,187,572.12/7,149.07
  6. Step 6: Final answer
    x = 7,579.67

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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.