Home / 7,374.32-10,168.76-5,482.86

Finding the Fourth Proportional to 7,374.32, 10,168.76 and 5,482.86

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Solution

The fourth proportional to 7,374.32, 10,168.76 and 5,482.86 is: 7,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.32 : 10,168.76 = 5,482.86 : x
  2. Step 2: Convert to fraction form
    7,374.32/10,168.76 = 5,482.86/x
  3. Step 3: Cross multiply
    7,374.32x = 10,168.76 × 5,482.86
  4. Step 4: Simplify right side
    7,374.32x = 55,753,887.45
  5. Step 5: Solve for x
    x = 55,753,887.45/7,374.32
  6. Step 6: Final answer
    x = 7,560.55

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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.