Home / 6,989.48-9,643.57-4,862.62

Finding the Fourth Proportional to 6,989.48, 9,643.57 and 4,862.62

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Solution

The fourth proportional to 6,989.48, 9,643.57 and 4,862.62 is: 6,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.48 : 9,643.57 = 4,862.62 : x
  2. Step 2: Convert to fraction form
    6,989.48/9,643.57 = 4,862.62/x
  3. Step 3: Cross multiply
    6,989.48x = 9,643.57 × 4,862.62
  4. Step 4: Simplify right side
    6,989.48x = 46,893,016.25
  5. Step 5: Solve for x
    x = 46,893,016.25/6,989.48
  6. Step 6: Final answer
    x = 6,709.09

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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.