Home / 7,917.51-10,925.94-4,380.64

Finding the Fourth Proportional to 7,917.51, 10,925.94 and 4,380.64

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Solution

The fourth proportional to 7,917.51, 10,925.94 and 4,380.64 is: 6,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.51 : 10,925.94 = 4,380.64 : x
  2. Step 2: Convert to fraction form
    7,917.51/10,925.94 = 4,380.64/x
  3. Step 3: Cross multiply
    7,917.51x = 10,925.94 × 4,380.64
  4. Step 4: Simplify right side
    7,917.51x = 47,862,609.80
  5. Step 5: Solve for x
    x = 47,862,609.80/7,917.51
  6. Step 6: Final answer
    x = 6,045.16

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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.