Home / 4,868.60-7,306.02-1,909.40

Finding the Fourth Proportional to 4,868.60, 7,306.02 and 1,909.40

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Solution

The fourth proportional to 4,868.60, 7,306.02 and 1,909.40 is: 2,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.60 : 7,306.02 = 1,909.40 : x
  2. Step 2: Convert to fraction form
    4,868.60/7,306.02 = 1,909.40/x
  3. Step 3: Cross multiply
    4,868.60x = 7,306.02 × 1,909.40
  4. Step 4: Simplify right side
    4,868.60x = 13,950,114.59
  5. Step 5: Solve for x
    x = 13,950,114.59/4,868.60
  6. Step 6: Final answer
    x = 2,865.32

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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.