Home / 7,948.72-10,969.32-4,412.08

Finding the Fourth Proportional to 7,948.72, 10,969.32 and 4,412.08

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Solution

The fourth proportional to 7,948.72, 10,969.32 and 4,412.08 is: 6,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.72 : 10,969.32 = 4,412.08 : x
  2. Step 2: Convert to fraction form
    7,948.72/10,969.32 = 4,412.08/x
  3. Step 3: Cross multiply
    7,948.72x = 10,969.32 × 4,412.08
  4. Step 4: Simplify right side
    7,948.72x = 48,397,517.39
  5. Step 5: Solve for x
    x = 48,397,517.39/7,948.72
  6. Step 6: Final answer
    x = 6,088.72

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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.