Home / 8,148.03-12,219.60-4,250.31

Finding the Fourth Proportional to 8,148.03, 12,219.60 and 4,250.31

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Solution

The fourth proportional to 8,148.03, 12,219.60 and 4,250.31 is: 6,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.03 : 12,219.60 = 4,250.31 : x
  2. Step 2: Convert to fraction form
    8,148.03/12,219.60 = 4,250.31/x
  3. Step 3: Cross multiply
    8,148.03x = 12,219.60 × 4,250.31
  4. Step 4: Simplify right side
    8,148.03x = 51,937,088.08
  5. Step 5: Solve for x
    x = 51,937,088.08/8,148.03
  6. Step 6: Final answer
    x = 6,374.19

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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.