Home / 8,719.34-12,035.13-5,362.70

Finding the Fourth Proportional to 8,719.34, 12,035.13 and 5,362.70

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Solution

The fourth proportional to 8,719.34, 12,035.13 and 5,362.70 is: 7,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.34 : 12,035.13 = 5,362.70 : x
  2. Step 2: Convert to fraction form
    8,719.34/12,035.13 = 5,362.70/x
  3. Step 3: Cross multiply
    8,719.34x = 12,035.13 × 5,362.70
  4. Step 4: Simplify right side
    8,719.34x = 64,540,791.65
  5. Step 5: Solve for x
    x = 64,540,791.65/8,719.34
  6. Step 6: Final answer
    x = 7,402.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.