Home / 7,681.34-11,522.15-3,298.84

Finding the Fourth Proportional to 7,681.34, 11,522.15 and 3,298.84

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Solution

The fourth proportional to 7,681.34, 11,522.15 and 3,298.84 is: 4,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.34 : 11,522.15 = 3,298.84 : x
  2. Step 2: Convert to fraction form
    7,681.34/11,522.15 = 3,298.84/x
  3. Step 3: Cross multiply
    7,681.34x = 11,522.15 × 3,298.84
  4. Step 4: Simplify right side
    7,681.34x = 38,009,729.31
  5. Step 5: Solve for x
    x = 38,009,729.31/7,681.34
  6. Step 6: Final answer
    x = 4,948.32

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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.