Home / 7,520.08-10,377.84-4,376.20

Finding the Fourth Proportional to 7,520.08, 10,377.84 and 4,376.20

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Solution

The fourth proportional to 7,520.08, 10,377.84 and 4,376.20 is: 6,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.08 : 10,377.84 = 4,376.20 : x
  2. Step 2: Convert to fraction form
    7,520.08/10,377.84 = 4,376.20/x
  3. Step 3: Cross multiply
    7,520.08x = 10,377.84 × 4,376.20
  4. Step 4: Simplify right side
    7,520.08x = 45,415,503.41
  5. Step 5: Solve for x
    x = 45,415,503.41/7,520.08
  6. Step 6: Final answer
    x = 6,039.23

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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.