Home / 7,312.46-10,091.15-3,955.24

Finding the Fourth Proportional to 7,312.46, 10,091.15 and 3,955.24

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Solution

The fourth proportional to 7,312.46, 10,091.15 and 3,955.24 is: 5,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.46 : 10,091.15 = 3,955.24 : x
  2. Step 2: Convert to fraction form
    7,312.46/10,091.15 = 3,955.24/x
  3. Step 3: Cross multiply
    7,312.46x = 10,091.15 × 3,955.24
  4. Step 4: Simplify right side
    7,312.46x = 39,912,927.80
  5. Step 5: Solve for x
    x = 39,912,927.80/7,312.46
  6. Step 6: Final answer
    x = 5,458.21

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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.