Home / 7,500.85-10,351.79-4,315.18

Finding the Fourth Proportional to 7,500.85, 10,351.79 and 4,315.18

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Solution

The fourth proportional to 7,500.85, 10,351.79 and 4,315.18 is: 5,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.85 : 10,351.79 = 4,315.18 : x
  2. Step 2: Convert to fraction form
    7,500.85/10,351.79 = 4,315.18/x
  3. Step 3: Cross multiply
    7,500.85x = 10,351.79 × 4,315.18
  4. Step 4: Simplify right side
    7,500.85x = 44,669,763.84
  5. Step 5: Solve for x
    x = 44,669,763.84/7,500.85
  6. Step 6: Final answer
    x = 5,955.30

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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.