Home / 4,583.80-6,870.90-1,809.40

Finding the Fourth Proportional to 4,583.80, 6,870.90 and 1,809.40

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Solution

The fourth proportional to 4,583.80, 6,870.90 and 1,809.40 is: 2,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,583.80 : 6,870.90 = 1,809.40 : x
  2. Step 2: Convert to fraction form
    4,583.80/6,870.90 = 1,809.40/x
  3. Step 3: Cross multiply
    4,583.80x = 6,870.90 × 1,809.40
  4. Step 4: Simplify right side
    4,583.80x = 12,432,206.46
  5. Step 5: Solve for x
    x = 12,432,206.46/4,583.80
  6. Step 6: Final answer
    x = 2,712.21

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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.