Home / 7,287.21-10,929.65-2,606.35

Finding the Fourth Proportional to 7,287.21, 10,929.65 and 2,606.35

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Solution

The fourth proportional to 7,287.21, 10,929.65 and 2,606.35 is: 3,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.21 : 10,929.65 = 2,606.35 : x
  2. Step 2: Convert to fraction form
    7,287.21/10,929.65 = 2,606.35/x
  3. Step 3: Cross multiply
    7,287.21x = 10,929.65 × 2,606.35
  4. Step 4: Simplify right side
    7,287.21x = 28,486,438.63
  5. Step 5: Solve for x
    x = 28,486,438.63/7,287.21
  6. Step 6: Final answer
    x = 3,909.10

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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.