Home / 4,459.30-6,686.87-1,994.13

Finding the Fourth Proportional to 4,459.30, 6,686.87 and 1,994.13

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Solution

The fourth proportional to 4,459.30, 6,686.87 and 1,994.13 is: 2,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.30 : 6,686.87 = 1,994.13 : x
  2. Step 2: Convert to fraction form
    4,459.30/6,686.87 = 1,994.13/x
  3. Step 3: Cross multiply
    4,459.30x = 6,686.87 × 1,994.13
  4. Step 4: Simplify right side
    4,459.30x = 13,334,488.07
  5. Step 5: Solve for x
    x = 13,334,488.07/4,459.30
  6. Step 6: Final answer
    x = 2,990.26

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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.