Home / 5,008.32-6,912.08-2,912.45

Finding the Fourth Proportional to 5,008.32, 6,912.08 and 2,912.45

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Solution

The fourth proportional to 5,008.32, 6,912.08 and 2,912.45 is: 4,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.32 : 6,912.08 = 2,912.45 : x
  2. Step 2: Convert to fraction form
    5,008.32/6,912.08 = 2,912.45/x
  3. Step 3: Cross multiply
    5,008.32x = 6,912.08 × 2,912.45
  4. Step 4: Simplify right side
    5,008.32x = 20,131,038.27
  5. Step 5: Solve for x
    x = 20,131,038.27/5,008.32
  6. Step 6: Final answer
    x = 4,019.52

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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.