Home / 5,184.32-7,154.37-2,946.20

Finding the Fourth Proportional to 5,184.32, 7,154.37 and 2,946.20

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Solution

The fourth proportional to 5,184.32, 7,154.37 and 2,946.20 is: 4,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.32 : 7,154.37 = 2,946.20 : x
  2. Step 2: Convert to fraction form
    5,184.32/7,154.37 = 2,946.20/x
  3. Step 3: Cross multiply
    5,184.32x = 7,154.37 × 2,946.20
  4. Step 4: Simplify right side
    5,184.32x = 21,078,169.12
  5. Step 5: Solve for x
    x = 21,078,169.12/5,184.32
  6. Step 6: Final answer
    x = 4,065.76

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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.