Home / 7,938.34-10,954.53-4,353.22

Finding the Fourth Proportional to 7,938.34, 10,954.53 and 4,353.22

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Solution

The fourth proportional to 7,938.34, 10,954.53 and 4,353.22 is: 6,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.34 : 10,954.53 = 4,353.22 : x
  2. Step 2: Convert to fraction form
    7,938.34/10,954.53 = 4,353.22/x
  3. Step 3: Cross multiply
    7,938.34x = 10,954.53 × 4,353.22
  4. Step 4: Simplify right side
    7,938.34x = 47,687,479.09
  5. Step 5: Solve for x
    x = 47,687,479.09/7,938.34
  6. Step 6: Final answer
    x = 6,007.24

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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.