Home / 6,281.62-8,670.44-5,031.38

Finding the Fourth Proportional to 6,281.62, 8,670.44 and 5,031.38

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Solution

The fourth proportional to 6,281.62, 8,670.44 and 5,031.38 is: 6,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.62 : 8,670.44 = 5,031.38 : x
  2. Step 2: Convert to fraction form
    6,281.62/8,670.44 = 5,031.38/x
  3. Step 3: Cross multiply
    6,281.62x = 8,670.44 × 5,031.38
  4. Step 4: Simplify right side
    6,281.62x = 43,624,312.66
  5. Step 5: Solve for x
    x = 43,624,312.66/6,281.62
  6. Step 6: Final answer
    x = 6,944.76

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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.