Home / 7,154.32-9,873.28-3,967.62

Finding the Fourth Proportional to 7,154.32, 9,873.28 and 3,967.62

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Solution

The fourth proportional to 7,154.32, 9,873.28 and 3,967.62 is: 5,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.32 : 9,873.28 = 3,967.62 : x
  2. Step 2: Convert to fraction form
    7,154.32/9,873.28 = 3,967.62/x
  3. Step 3: Cross multiply
    7,154.32x = 9,873.28 × 3,967.62
  4. Step 4: Simplify right side
    7,154.32x = 39,173,423.19
  5. Step 5: Solve for x
    x = 39,173,423.19/7,154.32
  6. Step 6: Final answer
    x = 5,475.49

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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.