Home / 5,136.68-7,091.34-3,955.16

Finding the Fourth Proportional to 5,136.68, 7,091.34 and 3,955.16

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Solution

The fourth proportional to 5,136.68, 7,091.34 and 3,955.16 is: 5,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.68 : 7,091.34 = 3,955.16 : x
  2. Step 2: Convert to fraction form
    5,136.68/7,091.34 = 3,955.16/x
  3. Step 3: Cross multiply
    5,136.68x = 7,091.34 × 3,955.16
  4. Step 4: Simplify right side
    5,136.68x = 28,047,384.31
  5. Step 5: Solve for x
    x = 28,047,384.31/5,136.68
  6. Step 6: Final answer
    x = 5,460.22

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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.