Home / 5,152.34-7,110.12-2,913.92

Finding the Fourth Proportional to 5,152.34, 7,110.12 and 2,913.92

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Solution

The fourth proportional to 5,152.34, 7,110.12 and 2,913.92 is: 4,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.34 : 7,110.12 = 2,913.92 : x
  2. Step 2: Convert to fraction form
    5,152.34/7,110.12 = 2,913.92/x
  3. Step 3: Cross multiply
    5,152.34x = 7,110.12 × 2,913.92
  4. Step 4: Simplify right side
    5,152.34x = 20,718,320.87
  5. Step 5: Solve for x
    x = 20,718,320.87/5,152.34
  6. Step 6: Final answer
    x = 4,021.15

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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.