Home / 7,312.40-10,091.04-4,517.36

Finding the Fourth Proportional to 7,312.40, 10,091.04 and 4,517.36

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Solution

The fourth proportional to 7,312.40, 10,091.04 and 4,517.36 is: 6,233.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.40 : 10,091.04 = 4,517.36 : x
  2. Step 2: Convert to fraction form
    7,312.40/10,091.04 = 4,517.36/x
  3. Step 3: Cross multiply
    7,312.40x = 10,091.04 × 4,517.36
  4. Step 4: Simplify right side
    7,312.40x = 45,584,860.45
  5. Step 5: Solve for x
    x = 45,584,860.45/7,312.40
  6. Step 6: Final answer
    x = 6,233.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.