Home / 7,385.40-10,191.60-4,401.18

Finding the Fourth Proportional to 7,385.40, 10,191.60 and 4,401.18

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Solution

The fourth proportional to 7,385.40, 10,191.60 and 4,401.18 is: 6,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.40 : 10,191.60 = 4,401.18 : x
  2. Step 2: Convert to fraction form
    7,385.40/10,191.60 = 4,401.18/x
  3. Step 3: Cross multiply
    7,385.40x = 10,191.60 × 4,401.18
  4. Step 4: Simplify right side
    7,385.40x = 44,855,066.09
  5. Step 5: Solve for x
    x = 44,855,066.09/7,385.40
  6. Step 6: Final answer
    x = 6,073.48

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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.