Home / 9,356.04-12,908.77-5,376.92

Finding the Fourth Proportional to 9,356.04, 12,908.77 and 5,376.92

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Solution

The fourth proportional to 9,356.04, 12,908.77 and 5,376.92 is: 7,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.04 : 12,908.77 = 5,376.92 : x
  2. Step 2: Convert to fraction form
    9,356.04/12,908.77 = 5,376.92/x
  3. Step 3: Cross multiply
    9,356.04x = 12,908.77 × 5,376.92
  4. Step 4: Simplify right side
    9,356.04x = 69,409,345.60
  5. Step 5: Solve for x
    x = 69,409,345.60/9,356.04
  6. Step 6: Final answer
    x = 7,418.67

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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.