Home / 7,938.90-10,956.11-4,402.03

Finding the Fourth Proportional to 7,938.90, 10,956.11 and 4,402.03

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Solution

The fourth proportional to 7,938.90, 10,956.11 and 4,402.03 is: 6,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.90 : 10,956.11 = 4,402.03 : x
  2. Step 2: Convert to fraction form
    7,938.90/10,956.11 = 4,402.03/x
  3. Step 3: Cross multiply
    7,938.90x = 10,956.11 × 4,402.03
  4. Step 4: Simplify right side
    7,938.90x = 48,229,124.90
  5. Step 5: Solve for x
    x = 48,229,124.90/7,938.90
  6. Step 6: Final answer
    x = 6,075.04

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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.