Home / 7,308.06-10,970.28-2,928.57

Finding the Fourth Proportional to 7,308.06, 10,970.28 and 2,928.57

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Solution

The fourth proportional to 7,308.06, 10,970.28 and 2,928.57 is: 4,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.06 : 10,970.28 = 2,928.57 : x
  2. Step 2: Convert to fraction form
    7,308.06/10,970.28 = 2,928.57/x
  3. Step 3: Cross multiply
    7,308.06x = 10,970.28 × 2,928.57
  4. Step 4: Simplify right side
    7,308.06x = 32,127,232.90
  5. Step 5: Solve for x
    x = 32,127,232.90/7,308.06
  6. Step 6: Final answer
    x = 4,396.14

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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.