Home / 7,518.45-10,374.57-4,374.03

Finding the Fourth Proportional to 7,518.45, 10,374.57 and 4,374.03

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Solution

The fourth proportional to 7,518.45, 10,374.57 and 4,374.03 is: 6,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.45 : 10,374.57 = 4,374.03 : x
  2. Step 2: Convert to fraction form
    7,518.45/10,374.57 = 4,374.03/x
  3. Step 3: Cross multiply
    7,518.45x = 10,374.57 × 4,374.03
  4. Step 4: Simplify right side
    7,518.45x = 45,378,680.42
  5. Step 5: Solve for x
    x = 45,378,680.42/7,518.45
  6. Step 6: Final answer
    x = 6,035.64

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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.