Home / 7,313.13-10,970.85-3,154.32

Finding the Fourth Proportional to 7,313.13, 10,970.85 and 3,154.32

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Solution

The fourth proportional to 7,313.13, 10,970.85 and 3,154.32 is: 4,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.13 : 10,970.85 = 3,154.32 : x
  2. Step 2: Convert to fraction form
    7,313.13/10,970.85 = 3,154.32/x
  3. Step 3: Cross multiply
    7,313.13x = 10,970.85 × 3,154.32
  4. Step 4: Simplify right side
    7,313.13x = 34,605,571.57
  5. Step 5: Solve for x
    x = 34,605,571.57/7,313.13
  6. Step 6: Final answer
    x = 4,731.98

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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.