Home / 9,162.44-12,644.16-4,970.69

Finding the Fourth Proportional to 9,162.44, 12,644.16 and 4,970.69

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Solution

The fourth proportional to 9,162.44, 12,644.16 and 4,970.69 is: 6,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.44 : 12,644.16 = 4,970.69 : x
  2. Step 2: Convert to fraction form
    9,162.44/12,644.16 = 4,970.69/x
  3. Step 3: Cross multiply
    9,162.44x = 12,644.16 × 4,970.69
  4. Step 4: Simplify right side
    9,162.44x = 62,850,199.67
  5. Step 5: Solve for x
    x = 62,850,199.67/9,162.44
  6. Step 6: Final answer
    x = 6,859.55

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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.