Home / 5,440.16-7,507.89-3,315.17

Finding the Fourth Proportional to 5,440.16, 7,507.89 and 3,315.17

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Solution

The fourth proportional to 5,440.16, 7,507.89 and 3,315.17 is: 4,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.16 : 7,507.89 = 3,315.17 : x
  2. Step 2: Convert to fraction form
    5,440.16/7,507.89 = 3,315.17/x
  3. Step 3: Cross multiply
    5,440.16x = 7,507.89 × 3,315.17
  4. Step 4: Simplify right side
    5,440.16x = 24,889,894.15
  5. Step 5: Solve for x
    x = 24,889,894.15/5,440.16
  6. Step 6: Final answer
    x = 4,575.22

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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.