Home / 8,437.33-12,636.33-6,670.48

Finding the Fourth Proportional to 8,437.33, 12,636.33 and 6,670.48

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Solution

The fourth proportional to 8,437.33, 12,636.33 and 6,670.48 is: 9,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.33 : 12,636.33 = 6,670.48 : x
  2. Step 2: Convert to fraction form
    8,437.33/12,636.33 = 6,670.48/x
  3. Step 3: Cross multiply
    8,437.33x = 12,636.33 × 6,670.48
  4. Step 4: Simplify right side
    8,437.33x = 84,290,386.54
  5. Step 5: Solve for x
    x = 84,290,386.54/8,437.33
  6. Step 6: Final answer
    x = 9,990.17

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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.