Home / 4,870.60-7,304.10-3,405.40

Finding the Fourth Proportional to 4,870.60, 7,304.10 and 3,405.40

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Solution

The fourth proportional to 4,870.60, 7,304.10 and 3,405.40 is: 5,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.60 : 7,304.10 = 3,405.40 : x
  2. Step 2: Convert to fraction form
    4,870.60/7,304.10 = 3,405.40/x
  3. Step 3: Cross multiply
    4,870.60x = 7,304.10 × 3,405.40
  4. Step 4: Simplify right side
    4,870.60x = 24,873,382.14
  5. Step 5: Solve for x
    x = 24,873,382.14/4,870.60
  6. Step 6: Final answer
    x = 5,106.84

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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.