Home / 7,154.04-9,873.09-3,967.50

Finding the Fourth Proportional to 7,154.04, 9,873.09 and 3,967.50

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Solution

The fourth proportional to 7,154.04, 9,873.09 and 3,967.50 is: 5,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.04 : 9,873.09 = 3,967.50 : x
  2. Step 2: Convert to fraction form
    7,154.04/9,873.09 = 3,967.50/x
  3. Step 3: Cross multiply
    7,154.04x = 9,873.09 × 3,967.50
  4. Step 4: Simplify right side
    7,154.04x = 39,171,484.58
  5. Step 5: Solve for x
    x = 39,171,484.58/7,154.04
  6. Step 6: Final answer
    x = 5,475.44

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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.