Home / 6,722.12-10,088.42-4,656.62

Finding the Fourth Proportional to 6,722.12, 10,088.42 and 4,656.62

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Solution

The fourth proportional to 6,722.12, 10,088.42 and 4,656.62 is: 6,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.12 : 10,088.42 = 4,656.62 : x
  2. Step 2: Convert to fraction form
    6,722.12/10,088.42 = 4,656.62/x
  3. Step 3: Cross multiply
    6,722.12x = 10,088.42 × 4,656.62
  4. Step 4: Simplify right side
    6,722.12x = 46,977,864.62
  5. Step 5: Solve for x
    x = 46,977,864.62/6,722.12
  6. Step 6: Final answer
    x = 6,988.55

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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.