Home / 8,923.65-12,314.63-4,945.02

Finding the Fourth Proportional to 8,923.65, 12,314.63 and 4,945.02

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Solution

The fourth proportional to 8,923.65, 12,314.63 and 4,945.02 is: 6,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.65 : 12,314.63 = 4,945.02 : x
  2. Step 2: Convert to fraction form
    8,923.65/12,314.63 = 4,945.02/x
  3. Step 3: Cross multiply
    8,923.65x = 12,314.63 × 4,945.02
  4. Step 4: Simplify right side
    8,923.65x = 60,896,066.92
  5. Step 5: Solve for x
    x = 60,896,066.92/8,923.65
  6. Step 6: Final answer
    x = 6,824.12

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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.