Home / 7,302.92-10,937.96-5,121.40

Finding the Fourth Proportional to 7,302.92, 10,937.96 and 5,121.40

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Solution

The fourth proportional to 7,302.92, 10,937.96 and 5,121.40 is: 7,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.92 : 10,937.96 = 5,121.40 : x
  2. Step 2: Convert to fraction form
    7,302.92/10,937.96 = 5,121.40/x
  3. Step 3: Cross multiply
    7,302.92x = 10,937.96 × 5,121.40
  4. Step 4: Simplify right side
    7,302.92x = 56,017,668.34
  5. Step 5: Solve for x
    x = 56,017,668.34/7,302.92
  6. Step 6: Final answer
    x = 7,670.58

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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.