Home / 6,989.02-9,644.25-4,117.29

Finding the Fourth Proportional to 6,989.02, 9,644.25 and 4,117.29

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Solution

The fourth proportional to 6,989.02, 9,644.25 and 4,117.29 is: 5,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.02 : 9,644.25 = 4,117.29 : x
  2. Step 2: Convert to fraction form
    6,989.02/9,644.25 = 4,117.29/x
  3. Step 3: Cross multiply
    6,989.02x = 9,644.25 × 4,117.29
  4. Step 4: Simplify right side
    6,989.02x = 39,708,153.36
  5. Step 5: Solve for x
    x = 39,708,153.36/6,989.02
  6. Step 6: Final answer
    x = 5,681.51

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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.