Home / 6,969.92-9,622.20-5,373.06

Finding the Fourth Proportional to 6,969.92, 9,622.20 and 5,373.06

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Solution

The fourth proportional to 6,969.92, 9,622.20 and 5,373.06 is: 7,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.92 : 9,622.20 = 5,373.06 : x
  2. Step 2: Convert to fraction form
    6,969.92/9,622.20 = 5,373.06/x
  3. Step 3: Cross multiply
    6,969.92x = 9,622.20 × 5,373.06
  4. Step 4: Simplify right side
    6,969.92x = 51,700,657.93
  5. Step 5: Solve for x
    x = 51,700,657.93/6,969.92
  6. Step 6: Final answer
    x = 7,417.69

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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.