Home / 6,345.68-9,518.40-1,962.62

Finding the Fourth Proportional to 6,345.68, 9,518.40 and 1,962.62

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Solution

The fourth proportional to 6,345.68, 9,518.40 and 1,962.62 is: 2,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.68 : 9,518.40 = 1,962.62 : x
  2. Step 2: Convert to fraction form
    6,345.68/9,518.40 = 1,962.62/x
  3. Step 3: Cross multiply
    6,345.68x = 9,518.40 × 1,962.62
  4. Step 4: Simplify right side
    6,345.68x = 18,681,002.21
  5. Step 5: Solve for x
    x = 18,681,002.21/6,345.68
  6. Step 6: Final answer
    x = 2,943.89

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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.