Home / 5,653.20-8,478.18-1,955.28

Finding the Fourth Proportional to 5,653.20, 8,478.18 and 1,955.28

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Solution

The fourth proportional to 5,653.20, 8,478.18 and 1,955.28 is: 2,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.20 : 8,478.18 = 1,955.28 : x
  2. Step 2: Convert to fraction form
    5,653.20/8,478.18 = 1,955.28/x
  3. Step 3: Cross multiply
    5,653.20x = 8,478.18 × 1,955.28
  4. Step 4: Simplify right side
    5,653.20x = 16,577,215.79
  5. Step 5: Solve for x
    x = 16,577,215.79/5,653.20
  6. Step 6: Final answer
    x = 2,932.36

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Half scale
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Double scale
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Similar ratio
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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.