Home / 6,977.34-10,440.23-6,140.48

Finding the Fourth Proportional to 6,977.34, 10,440.23 and 6,140.48

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Solution

The fourth proportional to 6,977.34, 10,440.23 and 6,140.48 is: 9,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.34 : 10,440.23 = 6,140.48 : x
  2. Step 2: Convert to fraction form
    6,977.34/10,440.23 = 6,140.48/x
  3. Step 3: Cross multiply
    6,977.34x = 10,440.23 × 6,140.48
  4. Step 4: Simplify right side
    6,977.34x = 64,107,940.61
  5. Step 5: Solve for x
    x = 64,107,940.61/6,977.34
  6. Step 6: Final answer
    x = 9,188.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.