Home / 5,321.32-7,343.36-2,931.23

Finding the Fourth Proportional to 5,321.32, 7,343.36 and 2,931.23

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Solution

The fourth proportional to 5,321.32, 7,343.36 and 2,931.23 is: 4,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.32 : 7,343.36 = 2,931.23 : x
  2. Step 2: Convert to fraction form
    5,321.32/7,343.36 = 2,931.23/x
  3. Step 3: Cross multiply
    5,321.32x = 7,343.36 × 2,931.23
  4. Step 4: Simplify right side
    5,321.32x = 21,525,080.84
  5. Step 5: Solve for x
    x = 21,525,080.84/5,321.32
  6. Step 6: Final answer
    x = 4,045.07

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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.