Home / 7,312.60-10,968.66-2,928.88

Finding the Fourth Proportional to 7,312.60, 10,968.66 and 2,928.88

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Solution

The fourth proportional to 7,312.60, 10,968.66 and 2,928.88 is: 4,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.60 : 10,968.66 = 2,928.88 : x
  2. Step 2: Convert to fraction form
    7,312.60/10,968.66 = 2,928.88/x
  3. Step 3: Cross multiply
    7,312.60x = 10,968.66 × 2,928.88
  4. Step 4: Simplify right side
    7,312.60x = 32,125,888.90
  5. Step 5: Solve for x
    x = 32,125,888.90/7,312.60
  6. Step 6: Final answer
    x = 4,393.22

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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.