Home / 8,225.40-12,339.30-3,030.84

Finding the Fourth Proportional to 8,225.40, 12,339.30 and 3,030.84

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Solution

The fourth proportional to 8,225.40, 12,339.30 and 3,030.84 is: 4,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.40 : 12,339.30 = 3,030.84 : x
  2. Step 2: Convert to fraction form
    8,225.40/12,339.30 = 3,030.84/x
  3. Step 3: Cross multiply
    8,225.40x = 12,339.30 × 3,030.84
  4. Step 4: Simplify right side
    8,225.40x = 37,398,444.01
  5. Step 5: Solve for x
    x = 37,398,444.01/8,225.40
  6. Step 6: Final answer
    x = 4,546.70

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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.