Home / 6,746.64-10,102.08-5,278.88

Finding the Fourth Proportional to 6,746.64, 10,102.08 and 5,278.88

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Solution

The fourth proportional to 6,746.64, 10,102.08 and 5,278.88 is: 7,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.64 : 10,102.08 = 5,278.88 : x
  2. Step 2: Convert to fraction form
    6,746.64/10,102.08 = 5,278.88/x
  3. Step 3: Cross multiply
    6,746.64x = 10,102.08 × 5,278.88
  4. Step 4: Simplify right side
    6,746.64x = 53,327,668.07
  5. Step 5: Solve for x
    x = 53,327,668.07/6,746.64
  6. Step 6: Final answer
    x = 7,904.33

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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.