Home / 5,276.34-7,281.06-2,885.84

Finding the Fourth Proportional to 5,276.34, 7,281.06 and 2,885.84

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Solution

The fourth proportional to 5,276.34, 7,281.06 and 2,885.84 is: 3,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.34 : 7,281.06 = 2,885.84 : x
  2. Step 2: Convert to fraction form
    5,276.34/7,281.06 = 2,885.84/x
  3. Step 3: Cross multiply
    5,276.34x = 7,281.06 × 2,885.84
  4. Step 4: Simplify right side
    5,276.34x = 21,011,974.19
  5. Step 5: Solve for x
    x = 21,011,974.19/5,276.34
  6. Step 6: Final answer
    x = 3,982.30

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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.