Home / 8,342.48-12,482.40-4,998.44

Finding the Fourth Proportional to 8,342.48, 12,482.40 and 4,998.44

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Solution

The fourth proportional to 8,342.48, 12,482.40 and 4,998.44 is: 7,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.48 : 12,482.40 = 4,998.44 : x
  2. Step 2: Convert to fraction form
    8,342.48/12,482.40 = 4,998.44/x
  3. Step 3: Cross multiply
    8,342.48x = 12,482.40 × 4,998.44
  4. Step 4: Simplify right side
    8,342.48x = 62,392,527.46
  5. Step 5: Solve for x
    x = 62,392,527.46/8,342.48
  6. Step 6: Final answer
    x = 7,478.89

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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.