Home / 6,484.14-8,948.28-3,966.20

Finding the Fourth Proportional to 6,484.14, 8,948.28 and 3,966.20

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Solution

The fourth proportional to 6,484.14, 8,948.28 and 3,966.20 is: 5,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.14 : 8,948.28 = 3,966.20 : x
  2. Step 2: Convert to fraction form
    6,484.14/8,948.28 = 3,966.20/x
  3. Step 3: Cross multiply
    6,484.14x = 8,948.28 × 3,966.20
  4. Step 4: Simplify right side
    6,484.14x = 35,490,668.14
  5. Step 5: Solve for x
    x = 35,490,668.14/6,484.14
  6. Step 6: Final answer
    x = 5,473.46

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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.