Home / 5,112.92-7,670.09-1,826.55

Finding the Fourth Proportional to 5,112.92, 7,670.09 and 1,826.55

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Solution

The fourth proportional to 5,112.92, 7,670.09 and 1,826.55 is: 2,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.92 : 7,670.09 = 1,826.55 : x
  2. Step 2: Convert to fraction form
    5,112.92/7,670.09 = 1,826.55/x
  3. Step 3: Cross multiply
    5,112.92x = 7,670.09 × 1,826.55
  4. Step 4: Simplify right side
    5,112.92x = 14,009,807.46
  5. Step 5: Solve for x
    x = 14,009,807.46/5,112.92
  6. Step 6: Final answer
    x = 2,740.08

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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.