Home / 7,308.08-10,955.40-2,922.80

Finding the Fourth Proportional to 7,308.08, 10,955.40 and 2,922.80

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Solution

The fourth proportional to 7,308.08, 10,955.40 and 2,922.80 is: 4,381.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.08 : 10,955.40 = 2,922.80 : x
  2. Step 2: Convert to fraction form
    7,308.08/10,955.40 = 2,922.80/x
  3. Step 3: Cross multiply
    7,308.08x = 10,955.40 × 2,922.80
  4. Step 4: Simplify right side
    7,308.08x = 32,020,443.12
  5. Step 5: Solve for x
    x = 32,020,443.12/7,308.08
  6. Step 6: Final answer
    x = 4,381.51

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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.