Home / 9,862.34-14,788.40-3,620.74

Finding the Fourth Proportional to 9,862.34, 14,788.40 and 3,620.74

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Solution

The fourth proportional to 9,862.34, 14,788.40 and 3,620.74 is: 5,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.34 : 14,788.40 = 3,620.74 : x
  2. Step 2: Convert to fraction form
    9,862.34/14,788.40 = 3,620.74/x
  3. Step 3: Cross multiply
    9,862.34x = 14,788.40 × 3,620.74
  4. Step 4: Simplify right side
    9,862.34x = 53,544,951.42
  5. Step 5: Solve for x
    x = 53,544,951.42/9,862.34
  6. Step 6: Final answer
    x = 5,429.23

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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.