Home / 6,146.53-9,218.66-1,985.31

Finding the Fourth Proportional to 6,146.53, 9,218.66 and 1,985.31

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Solution

The fourth proportional to 6,146.53, 9,218.66 and 1,985.31 is: 2,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146.53 : 9,218.66 = 1,985.31 : x
  2. Step 2: Convert to fraction form
    6,146.53/9,218.66 = 1,985.31/x
  3. Step 3: Cross multiply
    6,146.53x = 9,218.66 × 1,985.31
  4. Step 4: Simplify right side
    6,146.53x = 18,301,899.13
  5. Step 5: Solve for x
    x = 18,301,899.13/6,146.53
  6. Step 6: Final answer
    x = 2,977.60

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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.