Home / 10,450.40-15,680.74-4,904.16

Finding the Fourth Proportional to 10,450.40, 15,680.74 and 4,904.16

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Solution

The fourth proportional to 10,450.40, 15,680.74 and 4,904.16 is: 7,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.40 : 15,680.74 = 4,904.16 : x
  2. Step 2: Convert to fraction form
    10,450.40/15,680.74 = 4,904.16/x
  3. Step 3: Cross multiply
    10,450.40x = 15,680.74 × 4,904.16
  4. Step 4: Simplify right side
    10,450.40x = 76,900,857.88
  5. Step 5: Solve for x
    x = 76,900,857.88/10,450.40
  6. Step 6: Final answer
    x = 7,358.65

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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.