Home / 7,534.20-10,395.09-4,389.78

Finding the Fourth Proportional to 7,534.20, 10,395.09 and 4,389.78

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Solution

The fourth proportional to 7,534.20, 10,395.09 and 4,389.78 is: 6,056.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.20 : 10,395.09 = 4,389.78 : x
  2. Step 2: Convert to fraction form
    7,534.20/10,395.09 = 4,389.78/x
  3. Step 3: Cross multiply
    7,534.20x = 10,395.09 × 4,389.78
  4. Step 4: Simplify right side
    7,534.20x = 45,632,158.18
  5. Step 5: Solve for x
    x = 45,632,158.18/7,534.20
  6. Step 6: Final answer
    x = 6,056.67

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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.