Home / 5,071.20-7,606.74-1,784.28

Finding the Fourth Proportional to 5,071.20, 7,606.74 and 1,784.28

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Solution

The fourth proportional to 5,071.20, 7,606.74 and 1,784.28 is: 2,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.20 : 7,606.74 = 1,784.28 : x
  2. Step 2: Convert to fraction form
    5,071.20/7,606.74 = 1,784.28/x
  3. Step 3: Cross multiply
    5,071.20x = 7,606.74 × 1,784.28
  4. Step 4: Simplify right side
    5,071.20x = 13,572,554.05
  5. Step 5: Solve for x
    x = 13,572,554.05/5,071.20
  6. Step 6: Final answer
    x = 2,676.40

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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.