Home / 5,184.32-7,154.40-2,826.48

Finding the Fourth Proportional to 5,184.32, 7,154.40 and 2,826.48

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Solution

The fourth proportional to 5,184.32, 7,154.40 and 2,826.48 is: 3,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.32 : 7,154.40 = 2,826.48 : x
  2. Step 2: Convert to fraction form
    5,184.32/7,154.40 = 2,826.48/x
  3. Step 3: Cross multiply
    5,184.32x = 7,154.40 × 2,826.48
  4. Step 4: Simplify right side
    5,184.32x = 20,221,768.51
  5. Step 5: Solve for x
    x = 20,221,768.51/5,184.32
  6. Step 6: Final answer
    x = 3,900.56

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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.