Home / 6,987.48-10,473.30-3,286.20

Finding the Fourth Proportional to 6,987.48, 10,473.30 and 3,286.20

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Solution

The fourth proportional to 6,987.48, 10,473.30 and 3,286.20 is: 4,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.48 : 10,473.30 = 3,286.20 : x
  2. Step 2: Convert to fraction form
    6,987.48/10,473.30 = 3,286.20/x
  3. Step 3: Cross multiply
    6,987.48x = 10,473.30 × 3,286.20
  4. Step 4: Simplify right side
    6,987.48x = 34,417,358.46
  5. Step 5: Solve for x
    x = 34,417,358.46/6,987.48
  6. Step 6: Final answer
    x = 4,925.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.