Home / 8,424.16-11,624.69-4,647.47

Finding the Fourth Proportional to 8,424.16, 11,624.69 and 4,647.47

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Solution

The fourth proportional to 8,424.16, 11,624.69 and 4,647.47 is: 6,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.16 : 11,624.69 = 4,647.47 : x
  2. Step 2: Convert to fraction form
    8,424.16/11,624.69 = 4,647.47/x
  3. Step 3: Cross multiply
    8,424.16x = 11,624.69 × 4,647.47
  4. Step 4: Simplify right side
    8,424.16x = 54,025,316.67
  5. Step 5: Solve for x
    x = 54,025,316.67/8,424.16
  6. Step 6: Final answer
    x = 6,413.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.