Home / 7,151.59-10,730.34-3,146.92

Finding the Fourth Proportional to 7,151.59, 10,730.34 and 3,146.92

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Solution

The fourth proportional to 7,151.59, 10,730.34 and 3,146.92 is: 4,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.59 : 10,730.34 = 3,146.92 : x
  2. Step 2: Convert to fraction form
    7,151.59/10,730.34 = 3,146.92/x
  3. Step 3: Cross multiply
    7,151.59x = 10,730.34 × 3,146.92
  4. Step 4: Simplify right side
    7,151.59x = 33,767,482.93
  5. Step 5: Solve for x
    x = 33,767,482.93/7,151.59
  6. Step 6: Final answer
    x = 4,721.67

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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.