Home / 7,948.95-10,969.37-4,412.09

Finding the Fourth Proportional to 7,948.95, 10,969.37 and 4,412.09

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Solution

The fourth proportional to 7,948.95, 10,969.37 and 4,412.09 is: 6,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.95 : 10,969.37 = 4,412.09 : x
  2. Step 2: Convert to fraction form
    7,948.95/10,969.37 = 4,412.09/x
  3. Step 3: Cross multiply
    7,948.95x = 10,969.37 × 4,412.09
  4. Step 4: Simplify right side
    7,948.95x = 48,397,770.78
  5. Step 5: Solve for x
    x = 48,397,770.78/7,948.95
  6. Step 6: Final answer
    x = 6,088.57

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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.