Home / 6,626.52-9,142.20-5,210.64

Finding the Fourth Proportional to 6,626.52, 9,142.20 and 5,210.64

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Solution

The fourth proportional to 6,626.52, 9,142.20 and 5,210.64 is: 7,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.52 : 9,142.20 = 5,210.64 : x
  2. Step 2: Convert to fraction form
    6,626.52/9,142.20 = 5,210.64/x
  3. Step 3: Cross multiply
    6,626.52x = 9,142.20 × 5,210.64
  4. Step 4: Simplify right side
    6,626.52x = 47,636,713.01
  5. Step 5: Solve for x
    x = 47,636,713.01/6,626.52
  6. Step 6: Final answer
    x = 7,188.80

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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.