Home / 7,373.87-10,177.40-4,389.11

Finding the Fourth Proportional to 7,373.87, 10,177.40 and 4,389.11

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Solution

The fourth proportional to 7,373.87, 10,177.40 and 4,389.11 is: 6,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.87 : 10,177.40 = 4,389.11 : x
  2. Step 2: Convert to fraction form
    7,373.87/10,177.40 = 4,389.11/x
  3. Step 3: Cross multiply
    7,373.87x = 10,177.40 × 4,389.11
  4. Step 4: Simplify right side
    7,373.87x = 44,669,728.11
  5. Step 5: Solve for x
    x = 44,669,728.11/7,373.87
  6. Step 6: Final answer
    x = 6,057.84

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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.