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Finding the Fourth Proportional to 6,995.93, 10,508.48 and 4,079.93

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Solution

The fourth proportional to 6,995.93, 10,508.48 and 4,079.93 is: 6,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.93 : 10,508.48 = 4,079.93 : x
  2. Step 2: Convert to fraction form
    6,995.93/10,508.48 = 4,079.93/x
  3. Step 3: Cross multiply
    6,995.93x = 10,508.48 × 4,079.93
  4. Step 4: Simplify right side
    6,995.93x = 42,873,862.81
  5. Step 5: Solve for x
    x = 42,873,862.81/6,995.93
  6. Step 6: Final answer
    x = 6,128.40

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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.