Home / 7,215.58-10,794.90-5,465.63

Finding the Fourth Proportional to 7,215.58, 10,794.90 and 5,465.63

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Solution

The fourth proportional to 7,215.58, 10,794.90 and 5,465.63 is: 8,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.58 : 10,794.90 = 5,465.63 : x
  2. Step 2: Convert to fraction form
    7,215.58/10,794.90 = 5,465.63/x
  3. Step 3: Cross multiply
    7,215.58x = 10,794.90 × 5,465.63
  4. Step 4: Simplify right side
    7,215.58x = 59,000,929.29
  5. Step 5: Solve for x
    x = 59,000,929.29/7,215.58
  6. Step 6: Final answer
    x = 8,176.88

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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.